256557165

素因数分解:

$3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{123049}}^1$

素因数の和:123196

約数の個数: 16

約数和(自身を含む): 413448000

約数和(自身を除く): 156890835

約数列:

[1, 3, 5, 15, 139, 417, 695, 2085, 123049, 369147, 615245, 1845735, 17103811, 51311433, 85519055, 256557165]

約数ペア:

[(1, 256557165), (3, 85519055), (5, 51311433), (15, 17103811), (139, 1845735), (417, 615245), (695, 369147), (2085, 123049)]