208908315

素因数分解:

$3^5\times 5^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{29}}^1$

素因数の和:85

約数の個数: 216

約数和(自身を含む): 496707120

約数和(自身を除く): 287798805

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 27, 29, 33, 35, 45, 49, 55, 63, 77, 81, 87, 99, 105, 121, 135, 145, 147, 165, 189, 203, 231, 243, 245, 261, 297, 315, 319, 363, 385, 405, 435, 441, 495, 539, 567, 605, 609, 693, 735, 783, 847, 891, 945, 957, 1015, 1089, 1155, 1215, 1305, 1323, 1421, 1485, 1595, 1617, 1701, 1815, 1827, 2079, 2205, 2233, 2349, 2541, 2673, 2695, 2835, 2871, 3045, 3267, 3465, 3509, 3915, 3969, 4235, 4263, 4455, 4785, 4851, 5445, 5481, 5929, 6237, 6615, 6699, 7047, 7105, 7623, 8085, 8505, 8613, 9135, 9801, 10395, 10527, 11165, 11745, 11907, 12705, 12789, 13365, 14355, 14553, 15631, 16335, 16443, 17545, 17787, 18711, 19845, 20097, 21315, 22869, 24255, 24563, 25839, 27405, 29403, 29645, 31185, 31581, 33495, 35235, 38115, 38367, 43065, 43659, 46893, 49005, 49329, 52635, 53361, 59535, 60291, 63945, 68607, 72765, 73689, 77517, 78155, 82215, 88935, 93555, 94743, 100485, 114345, 115101, 122815, 129195, 130977, 140679, 147015, 157905, 160083, 171941, 180873, 191835, 205821, 218295, 221067, 234465, 246645, 266805, 284229, 301455, 343035, 345303, 368445, 387585, 422037, 473715, 480249, 515823, 542619, 575505, 654885, 663201, 703395, 800415, 852687, 859705, 904365, 1029105, 1105335, 1266111, 1421145, 1440747, 1547469, 1726515, 1989603, 2110185, 2401245, 2579115, 2713095, 3316005, 3798333, 4263435, 4642407, 5968809, 6330555, 7203735, 7737345, 9948015, 13927221, 18991665, 23212035, 29844045, 41781663, 69636105, 208908315]

約数ペア:

[(1, 208908315), (3, 69636105), (5, 41781663), (7, 29844045), (9, 23212035), (11, 18991665), (15, 13927221), (21, 9948015), (27, 7737345), (29, 7203735), (33, 6330555), (35, 5968809), (45, 4642407), (49, 4263435), (55, 3798333), (63, 3316005), (77, 2713095), (81, 2579115), (87, 2401245), (99, 2110185), (105, 1989603), (121, 1726515), (135, 1547469), (145, 1440747), (147, 1421145), (165, 1266111), (189, 1105335), (203, 1029105), (231, 904365), (243, 859705), (245, 852687), (261, 800415), (297, 703395), (315, 663201), (319, 654885), (363, 575505), (385, 542619), (405, 515823), (435, 480249), (441, 473715), (495, 422037), (539, 387585), (567, 368445), (605, 345303), (609, 343035), (693, 301455), (735, 284229), (783, 266805), (847, 246645), (891, 234465), (945, 221067), (957, 218295), (1015, 205821), (1089, 191835), (1155, 180873), (1215, 171941), (1305, 160083), (1323, 157905), (1421, 147015), (1485, 140679), (1595, 130977), (1617, 129195), (1701, 122815), (1815, 115101), (1827, 114345), (2079, 100485), (2205, 94743), (2233, 93555), (2349, 88935), (2541, 82215), (2673, 78155), (2695, 77517), (2835, 73689), (2871, 72765), (3045, 68607), (3267, 63945), (3465, 60291), (3509, 59535), (3915, 53361), (3969, 52635), (4235, 49329), (4263, 49005), (4455, 46893), (4785, 43659), (4851, 43065), (5445, 38367), (5481, 38115), (5929, 35235), (6237, 33495), (6615, 31581), (6699, 31185), (7047, 29645), (7105, 29403), (7623, 27405), (8085, 25839), (8505, 24563), (8613, 24255), (9135, 22869), (9801, 21315), (10395, 20097), (10527, 19845), (11165, 18711), (11745, 17787), (11907, 17545), (12705, 16443), (12789, 16335), (13365, 15631), (14355, 14553)]