642567963

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{70157}}^1$

素因数の和:70274

約数の個数: 16

約数和(自身を含む): 889042176

約数和(自身を除く): 246474213

約数列:

[1, 3, 43, 71, 129, 213, 3053, 9159, 70157, 210471, 3016751, 4981147, 9050253, 14943441, 214189321, 642567963]

約数ペア:

[(1, 642567963), (3, 214189321), (43, 14943441), (71, 9050253), (129, 4981147), (213, 3016751), (3053, 210471), (9159, 70157)]