257832381

素因数分解:

$3^1\times {\mathrm{103}}^1\times {\mathrm{271}}^1\times {\mathrm{3079}}^1$

素因数の和:3456

約数の個数: 16

約数和(自身を含む): 348508160

約数和(自身を除く): 90675779

約数列:

[1, 3, 103, 271, 309, 813, 3079, 9237, 27913, 83739, 317137, 834409, 951411, 2503227, 85944127, 257832381]

約数ペア:

[(1, 257832381), (3, 85944127), (103, 2503227), (271, 951411), (309, 834409), (813, 317137), (3079, 83739), (9237, 27913)]