139584561

素因数分解:

$3^1\times {\mathrm{131}}^1\times {\mathrm{163}}^1\times {\mathrm{2179}}^1$

素因数の和:2476

約数の個数: 16

約数和(自身を含む): 188770560

約数和(自身を除く): 49185999

約数列:

[1, 3, 131, 163, 393, 489, 2179, 6537, 21353, 64059, 285449, 355177, 856347, 1065531, 46528187, 139584561]

約数ペア:

[(1, 139584561), (3, 46528187), (131, 1065531), (163, 856347), (393, 355177), (489, 285449), (2179, 64059), (6537, 21353)]