13927221

素因数分解:

$3^4\times 7^2\times {\mathrm{11}}^2\times {\mathrm{29}}^1$

素因数の和:77

約数の個数: 90

約数和(自身を含む): 27519030

約数和(自身を除く): 13591809

約数列:

[1, 3, 7, 9, 11, 21, 27, 29, 33, 49, 63, 77, 81, 87, 99, 121, 147, 189, 203, 231, 261, 297, 319, 363, 441, 539, 567, 609, 693, 783, 847, 891, 957, 1089, 1323, 1421, 1617, 1827, 2079, 2233, 2349, 2541, 2871, 3267, 3509, 3969, 4263, 4851, 5481, 5929, 6237, 6699, 7623, 8613, 9801, 10527, 12789, 14553, 15631, 16443, 17787, 20097, 22869, 24563, 25839, 31581, 38367, 43659, 46893, 53361, 60291, 68607, 73689, 94743, 115101, 140679, 160083, 171941, 180873, 221067, 284229, 422037, 480249, 515823, 663201, 1266111, 1547469, 1989603, 4642407, 13927221]

約数ペア:

[(1, 13927221), (3, 4642407), (7, 1989603), (9, 1547469), (11, 1266111), (21, 663201), (27, 515823), (29, 480249), (33, 422037), (49, 284229), (63, 221067), (77, 180873), (81, 171941), (87, 160083), (99, 140679), (121, 115101), (147, 94743), (189, 73689), (203, 68607), (231, 60291), (261, 53361), (297, 46893), (319, 43659), (363, 38367), (441, 31581), (539, 25839), (567, 24563), (609, 22869), (693, 20097), (783, 17787), (847, 16443), (891, 15631), (957, 14553), (1089, 12789), (1323, 10527), (1421, 9801), (1617, 8613), (1827, 7623), (2079, 6699), (2233, 6237), (2349, 5929), (2541, 5481), (2871, 4851), (3267, 4263), (3509, 3969)]