31074561

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{13331}}^1$

素因数の和:13381

約数の個数: 24

約数和(自身を含む): 52688064

約数和(自身を除く): 21613503

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 259, 333, 777, 2331, 13331, 39993, 93317, 119979, 279951, 493247, 839853, 1479741, 3452729, 4439223, 10358187, 31074561]

約数ペア:

[(1, 31074561), (3, 10358187), (7, 4439223), (9, 3452729), (21, 1479741), (37, 839853), (63, 493247), (111, 279951), (259, 119979), (333, 93317), (777, 39993), (2331, 13331)]