16808715

素因数分解:

$3^4\times 5^1\times 7^3\times {\mathrm{11}}^2$

素因数の和:60

約数の個数: 120

約数和(自身を含む): 38623200

約数和(自身を除く): 21814485

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 27, 33, 35, 45, 49, 55, 63, 77, 81, 99, 105, 121, 135, 147, 165, 189, 231, 245, 297, 315, 343, 363, 385, 405, 441, 495, 539, 567, 605, 693, 735, 847, 891, 945, 1029, 1089, 1155, 1323, 1485, 1617, 1715, 1815, 2079, 2205, 2541, 2695, 2835, 3087, 3267, 3465, 3773, 3969, 4235, 4455, 4851, 5145, 5445, 5929, 6237, 6615, 7623, 8085, 9261, 9801, 10395, 11319, 12705, 14553, 15435, 16335, 17787, 18865, 19845, 22869, 24255, 27783, 29645, 31185, 33957, 38115, 41503, 43659, 46305, 49005, 53361, 56595, 68607, 72765, 88935, 101871, 114345, 124509, 138915, 160083, 169785, 207515, 218295, 266805, 305613, 343035, 373527, 480249, 509355, 622545, 800415, 1120581, 1528065, 1867635, 2401245, 3361743, 5602905, 16808715]

約数ペア:

[(1, 16808715), (3, 5602905), (5, 3361743), (7, 2401245), (9, 1867635), (11, 1528065), (15, 1120581), (21, 800415), (27, 622545), (33, 509355), (35, 480249), (45, 373527), (49, 343035), (55, 305613), (63, 266805), (77, 218295), (81, 207515), (99, 169785), (105, 160083), (121, 138915), (135, 124509), (147, 114345), (165, 101871), (189, 88935), (231, 72765), (245, 68607), (297, 56595), (315, 53361), (343, 49005), (363, 46305), (385, 43659), (405, 41503), (441, 38115), (495, 33957), (539, 31185), (567, 29645), (605, 27783), (693, 24255), (735, 22869), (847, 19845), (891, 18865), (945, 17787), (1029, 16335), (1089, 15435), (1155, 14553), (1323, 12705), (1485, 11319), (1617, 10395), (1715, 9801), (1815, 9261), (2079, 8085), (2205, 7623), (2541, 6615), (2695, 6237), (2835, 5929), (3087, 5445), (3267, 5145), (3465, 4851), (3773, 4455), (3969, 4235)]