80974809

素因数分解:

$3^4\times {\mathrm{137}}^1\times {\mathrm{7297}}^1$

素因数の和:7446

約数の個数: 20

約数和(自身を含む): 121862004

約数和(自身を除く): 40887195

約数列:

[1, 3, 9, 27, 81, 137, 411, 1233, 3699, 7297, 11097, 21891, 65673, 197019, 591057, 999689, 2999067, 8997201, 26991603, 80974809]

約数ペア:

[(1, 80974809), (3, 26991603), (9, 8997201), (27, 2999067), (81, 999689), (137, 591057), (411, 197019), (1233, 65673), (3699, 21891), (7297, 11097)]