65612625

素因数分解:

$3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{313}}^1$

素因数の和:387

約数の個数: 64

約数和(自身を含む): 120696576

約数和(自身を除く): 55083951

約数列:

[1, 3, 5, 13, 15, 25, 39, 43, 65, 75, 125, 129, 195, 215, 313, 325, 375, 559, 645, 939, 975, 1075, 1565, 1625, 1677, 2795, 3225, 4069, 4695, 4875, 5375, 7825, 8385, 12207, 13459, 13975, 16125, 20345, 23475, 39125, 40377, 41925, 61035, 67295, 69875, 101725, 117375, 174967, 201885, 209625, 305175, 336475, 508625, 524901, 874835, 1009425, 1525875, 1682375, 2624505, 4374175, 5047125, 13122525, 21870875, 65612625]

約数ペア:

[(1, 65612625), (3, 21870875), (5, 13122525), (13, 5047125), (15, 4374175), (25, 2624505), (39, 1682375), (43, 1525875), (65, 1009425), (75, 874835), (125, 524901), (129, 508625), (195, 336475), (215, 305175), (313, 209625), (325, 201885), (375, 174967), (559, 117375), (645, 101725), (939, 69875), (975, 67295), (1075, 61035), (1565, 41925), (1625, 40377), (1677, 39125), (2795, 23475), (3225, 20345), (4069, 16125), (4695, 13975), (4875, 13459), (5375, 12207), (7825, 8385)]