31900395

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{2213}}^1$

素因数の和:2283

約数の個数: 24

約数和(自身を含む): 52764048

約数和(自身を除く): 20863653

約数列:

[1, 3, 5, 15, 31, 93, 155, 465, 961, 2213, 2883, 4805, 6639, 11065, 14415, 33195, 68603, 205809, 343015, 1029045, 2126693, 6380079, 10633465, 31900395]

約数ペア:

[(1, 31900395), (3, 10633465), (5, 6380079), (15, 2126693), (31, 1029045), (93, 343015), (155, 205809), (465, 68603), (961, 33195), (2213, 14415), (2883, 11065), (4805, 6639)]