278366931

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{367}}^1\times {\mathrm{1187}}^1$

素因数の和:1631

約数の個数: 24

約数和(自身を含む): 409204224

約数和(自身を除く): 130837293

約数列:

[1, 3, 9, 71, 213, 367, 639, 1101, 1187, 3303, 3561, 10683, 26057, 78171, 84277, 234513, 252831, 435629, 758493, 1306887, 3920661, 30929659, 92788977, 278366931]

約数ペア:

[(1, 278366931), (3, 92788977), (9, 30929659), (71, 3920661), (213, 1306887), (367, 758493), (639, 435629), (1101, 252831), (1187, 234513), (3303, 84277), (3561, 78171), (10683, 26057)]