64921995

素因数分解:

$3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{353}}^1$

素因数の和:492

約数の個数: 48

約数和(自身を含む): 116412192

約数和(自身を除く): 51490197

約数列:

[1, 3, 5, 9, 15, 45, 61, 67, 183, 201, 305, 335, 353, 549, 603, 915, 1005, 1059, 1765, 2745, 3015, 3177, 4087, 5295, 12261, 15885, 20435, 21533, 23651, 36783, 61305, 64599, 70953, 107665, 118255, 183915, 193797, 212859, 322995, 354765, 968985, 1064295, 1442711, 4328133, 7213555, 12984399, 21640665, 64921995]

約数ペア:

[(1, 64921995), (3, 21640665), (5, 12984399), (9, 7213555), (15, 4328133), (45, 1442711), (61, 1064295), (67, 968985), (183, 354765), (201, 322995), (305, 212859), (335, 193797), (353, 183915), (549, 118255), (603, 107665), (915, 70953), (1005, 64599), (1059, 61305), (1765, 36783), (2745, 23651), (3015, 21533), (3177, 20435), (4087, 15885), (5295, 12261)]