129331225

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{1531}}^1$

素因数の和:1681

約数の個数: 24

約数和(自身を含む): 167171840

約数和(自身を除く): 37840615

約数列:

[1, 5, 25, 31, 109, 155, 545, 775, 1531, 2725, 3379, 7655, 16895, 38275, 47461, 84475, 166879, 237305, 834395, 1186525, 4171975, 5173249, 25866245, 129331225]

約数ペア:

[(1, 129331225), (5, 25866245), (25, 5173249), (31, 4171975), (109, 1186525), (155, 834395), (545, 237305), (775, 166879), (1531, 84475), (2725, 47461), (3379, 38275), (7655, 16895)]