75790725

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{331}}^1$

素因数の和:458

約数の個数: 48

約数和(自身を含む): 130420224

約数和(自身を除く): 54629499

約数列:

[1, 3, 5, 15, 25, 43, 71, 75, 129, 213, 215, 331, 355, 645, 993, 1065, 1075, 1655, 1775, 3053, 3225, 4965, 5325, 8275, 9159, 14233, 15265, 23501, 24825, 42699, 45795, 70503, 71165, 76325, 117505, 213495, 228975, 352515, 355825, 587525, 1010543, 1067475, 1762575, 3031629, 5052715, 15158145, 25263575, 75790725]

約数ペア:

[(1, 75790725), (3, 25263575), (5, 15158145), (15, 5052715), (25, 3031629), (43, 1762575), (71, 1067475), (75, 1010543), (129, 587525), (213, 355825), (215, 352515), (331, 228975), (355, 213495), (645, 117505), (993, 76325), (1065, 71165), (1075, 70503), (1655, 45795), (1775, 42699), (3053, 24825), (3225, 23501), (4965, 15265), (5325, 14233), (8275, 9159)]