68740047

素因数分解:

$3^2\times {\mathrm{113}}^1\times {\mathrm{257}}^1\times {\mathrm{263}}^1$

素因数の和:639

約数の個数: 24

約数和(自身を含む): 100941984

約数和(自身を除く): 32201937

約数列:

[1, 3, 9, 113, 257, 263, 339, 771, 789, 1017, 2313, 2367, 29041, 29719, 67591, 87123, 89157, 202773, 261369, 267471, 608319, 7637783, 22913349, 68740047]

約数ペア:

[(1, 68740047), (3, 22913349), (9, 7637783), (113, 608319), (257, 267471), (263, 261369), (339, 202773), (771, 89157), (789, 87123), (1017, 67591), (2313, 29719), (2367, 29041)]