31420725

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{617}}^1$

素因数の和:734

約数の個数: 48

約数和(自身を含む): 60079488

約数和(自身を除く): 28658763

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 97, 105, 175, 291, 485, 525, 617, 679, 1455, 1851, 2037, 2425, 3085, 3395, 4319, 7275, 9255, 10185, 12957, 15425, 16975, 21595, 46275, 50925, 59849, 64785, 107975, 179547, 299245, 323925, 418943, 897735, 1256829, 1496225, 2094715, 4488675, 6284145, 10473575, 31420725]

約数ペア:

[(1, 31420725), (3, 10473575), (5, 6284145), (7, 4488675), (15, 2094715), (21, 1496225), (25, 1256829), (35, 897735), (75, 418943), (97, 323925), (105, 299245), (175, 179547), (291, 107975), (485, 64785), (525, 59849), (617, 50925), (679, 46275), (1455, 21595), (1851, 16975), (2037, 15425), (2425, 12957), (3085, 10185), (3395, 9255), (4319, 7275)]