77776725

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{331}}^1$

素因数の和:598

約数の個数: 48

約数和(自身を含む): 139477184

約数和(自身を除く): 61700459

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 195, 241, 325, 331, 723, 975, 993, 1205, 1655, 3133, 3615, 4303, 4965, 6025, 8275, 9399, 12909, 15665, 18075, 21515, 24825, 46995, 64545, 78325, 79771, 107575, 234975, 239313, 322725, 398855, 1037023, 1196565, 1994275, 3111069, 5185115, 5982825, 15555345, 25925575, 77776725]

約数ペア:

[(1, 77776725), (3, 25925575), (5, 15555345), (13, 5982825), (15, 5185115), (25, 3111069), (39, 1994275), (65, 1196565), (75, 1037023), (195, 398855), (241, 322725), (325, 239313), (331, 234975), (723, 107575), (975, 79771), (993, 78325), (1205, 64545), (1655, 46995), (3133, 24825), (3615, 21515), (4303, 18075), (4965, 15665), (6025, 12909), (8275, 9399)]