31107405

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{42323}}^1$

素因数の和:42345

約数の個数: 24

約数和(自身を含む): 57899232

約数和(自身を除く): 26791827

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 42323, 126969, 211615, 296261, 634845, 888783, 1481305, 2073827, 4443915, 6221481, 10369135, 31107405]

約数ペア:

[(1, 31107405), (3, 10369135), (5, 6221481), (7, 4443915), (15, 2073827), (21, 1481305), (35, 888783), (49, 634845), (105, 296261), (147, 211615), (245, 126969), (735, 42323)]