31301739

素因数分解:

$3^2\times 7^2\times {\mathrm{70979}}^1$

素因数の和:70999

約数の個数: 18

約数和(自身を含む): 52596180

約数和(自身を除く): 21294441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 70979, 212937, 496853, 638811, 1490559, 3477971, 4471677, 10433913, 31301739]

約数ペア:

[(1, 31301739), (3, 10433913), (7, 4471677), (9, 3477971), (21, 1490559), (49, 638811), (63, 496853), (147, 212937), (441, 70979)]