31179375

素因数分解:

$3^2\times 5^4\times {\mathrm{23}}^1\times {\mathrm{241}}^1$

素因数の和:290

約数の個数: 60

約数和(自身を含む): 58968624

約数和(自身を除く): 27789249

約数列:

[1, 3, 5, 9, 15, 23, 25, 45, 69, 75, 115, 125, 207, 225, 241, 345, 375, 575, 625, 723, 1035, 1125, 1205, 1725, 1875, 2169, 2875, 3615, 5175, 5543, 5625, 6025, 8625, 10845, 14375, 16629, 18075, 25875, 27715, 30125, 43125, 49887, 54225, 83145, 90375, 129375, 138575, 150625, 249435, 271125, 415725, 451875, 692875, 1247175, 1355625, 2078625, 3464375, 6235875, 10393125, 31179375]

約数ペア:

[(1, 31179375), (3, 10393125), (5, 6235875), (9, 3464375), (15, 2078625), (23, 1355625), (25, 1247175), (45, 692875), (69, 451875), (75, 415725), (115, 271125), (125, 249435), (207, 150625), (225, 138575), (241, 129375), (345, 90375), (375, 83145), (575, 54225), (625, 49887), (723, 43125), (1035, 30125), (1125, 27715), (1205, 25875), (1725, 18075), (1875, 16629), (2169, 14375), (2875, 10845), (3615, 8625), (5175, 6025), (5543, 5625)]