10987893

素因数分解:

$3^4\times 7^1\times {\mathrm{19379}}^1$

素因数の和:19398

約数の個数: 20

約数和(自身を含む): 18759840

約数和(自身を除く): 7771947

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 19379, 58137, 135653, 174411, 406959, 523233, 1220877, 1569699, 3662631, 10987893]

約数ペア:

[(1, 10987893), (3, 3662631), (7, 1569699), (9, 1220877), (21, 523233), (27, 406959), (63, 174411), (81, 135653), (189, 58137), (567, 19379)]