42665643

素因数分解:

$3^3\times {\mathrm{557}}^1\times {\mathrm{2837}}^1$

素因数の和:3403

約数の個数: 16

約数和(自身を含む): 63344160

約数和(自身を除く): 20678517

約数列:

[1, 3, 9, 27, 557, 1671, 2837, 5013, 8511, 15039, 25533, 76599, 1580209, 4740627, 14221881, 42665643]

約数ペア:

[(1, 42665643), (3, 14221881), (9, 4740627), (27, 1580209), (557, 76599), (1671, 25533), (2837, 15039), (5013, 8511)]