20150325

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{83}}^2$

素因数の和:195

約数の個数: 54

約数和(自身を含む): 39341666

約数和(自身を除く): 19191341

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 83, 117, 195, 225, 249, 325, 415, 585, 747, 975, 1079, 1245, 2075, 2925, 3237, 3735, 5395, 6225, 6889, 9711, 16185, 18675, 20667, 26975, 34445, 48555, 62001, 80925, 89557, 103335, 172225, 242775, 268671, 310005, 447785, 516675, 806013, 1343355, 1550025, 2238925, 4030065, 6716775, 20150325]

約数ペア:

[(1, 20150325), (3, 6716775), (5, 4030065), (9, 2238925), (13, 1550025), (15, 1343355), (25, 806013), (39, 516675), (45, 447785), (65, 310005), (75, 268671), (83, 242775), (117, 172225), (195, 103335), (225, 89557), (249, 80925), (325, 62001), (415, 48555), (585, 34445), (747, 26975), (975, 20667), (1079, 18675), (1245, 16185), (2075, 9711), (2925, 6889), (3237, 6225), (3735, 5395)]