12172587

素因数分解:

$3^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{4231}}^1$

素因数の和:4378

約数の個数: 16

約数和(自身を含む): 18688512

約数和(自身を除く): 6515925

約数列:

[1, 3, 7, 21, 137, 411, 959, 2877, 4231, 12693, 29617, 88851, 579647, 1738941, 4057529, 12172587]

約数ペア:

[(1, 12172587), (3, 4057529), (7, 1738941), (21, 579647), (137, 88851), (411, 29617), (959, 12693), (2877, 4231)]