129991491

素因数分解:

$3^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{15061}}^1$

素因数の和:15211

約数の個数: 24

約数和(自身を含む): 216169824

約数和(自身を除く): 86178333

約数列:

[1, 3, 7, 9, 21, 63, 137, 411, 959, 1233, 2877, 8631, 15061, 45183, 105427, 135549, 316281, 948843, 2063357, 6190071, 14443499, 18570213, 43330497, 129991491]

約数ペア:

[(1, 129991491), (3, 43330497), (7, 18570213), (9, 14443499), (21, 6190071), (63, 2063357), (137, 948843), (411, 316281), (959, 135549), (1233, 105427), (2877, 45183), (8631, 15061)]