1231425

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{421}}^1$

素因数の和:450

約数の個数: 36

約数和(自身を含む): 2380924

約数和(自身を除く): 1149499

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 117, 195, 225, 325, 421, 585, 975, 1263, 2105, 2925, 3789, 5473, 6315, 10525, 16419, 18945, 27365, 31575, 49257, 82095, 94725, 136825, 246285, 410475, 1231425]

約数ペア:

[(1, 1231425), (3, 410475), (5, 246285), (9, 136825), (13, 94725), (15, 82095), (25, 49257), (39, 31575), (45, 27365), (65, 18945), (75, 16419), (117, 10525), (195, 6315), (225, 5473), (325, 3789), (421, 2925), (585, 2105), (975, 1263)]