406977405

素因数分解:

$3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{195193}}^1$

素因数の和:195340

約数の個数: 16

約数和(自身を含む): 655851840

約数和(自身を除く): 248874435

約数列:

[1, 3, 5, 15, 139, 417, 695, 2085, 195193, 585579, 975965, 2927895, 27131827, 81395481, 135659135, 406977405]

約数ペア:

[(1, 406977405), (3, 135659135), (5, 81395481), (15, 27131827), (139, 2927895), (417, 975965), (695, 585579), (2085, 195193)]