31121405

素因数分解:

$5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{6397}}^1$

素因数の和:6548

約数の個数: 16

約数和(自身を含む): 42994560

約数和(自身を除く): 11873155

約数列:

[1, 5, 7, 35, 139, 695, 973, 4865, 6397, 31985, 44779, 223895, 889183, 4445915, 6224281, 31121405]

約数ペア:

[(1, 31121405), (5, 6224281), (7, 4445915), (35, 889183), (139, 223895), (695, 44779), (973, 31985), (4865, 6397)]