81135921

素因数分解:

$3^1\times {\mathrm{113}}^1\times {\mathrm{137}}^1\times {\mathrm{1747}}^1$

素因数の和:2000

約数の個数: 16

約数和(自身を含む): 109998144

約数和(自身を除く): 28862223

約数列:

[1, 3, 113, 137, 339, 411, 1747, 5241, 15481, 46443, 197411, 239339, 592233, 718017, 27045307, 81135921]

約数ペア:

[(1, 81135921), (3, 27045307), (113, 718017), (137, 592233), (339, 239339), (411, 197411), (1747, 46443), (5241, 15481)]