15700321

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{4663}}^1$

素因数の和:4720

約数の個数: 16

約数和(自身を含む): 19849984

約数和(自身を除く): 4149663

約数列:

[1, 7, 13, 37, 91, 259, 481, 3367, 4663, 32641, 60619, 172531, 424333, 1207717, 2242903, 15700321]

約数ペア:

[(1, 15700321), (7, 2242903), (13, 1207717), (37, 424333), (91, 172531), (259, 60619), (481, 32641), (3367, 4663)]