131566239

素因数分解:

$3^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{18481}}^1$

素因数の和:18607

約数の個数: 24

約数和(自身を含む): 219122592

約数和(自身を除く): 87556353

約数列:

[1, 3, 7, 9, 21, 63, 113, 339, 791, 1017, 2373, 7119, 18481, 55443, 129367, 166329, 388101, 1164303, 2088353, 6265059, 14618471, 18795177, 43855413, 131566239]

約数ペア:

[(1, 131566239), (3, 43855413), (7, 18795177), (9, 14618471), (21, 6265059), (63, 2088353), (113, 1164303), (339, 388101), (791, 166329), (1017, 129367), (2373, 55443), (7119, 18481)]