28493397

素因数分解:

$3^3\times {\mathrm{137}}^1\times {\mathrm{7703}}^1$

素因数の和:7849

約数の個数: 16

約数和(自身を含む): 42526080

約数和(自身を除く): 14032683

約数列:

[1, 3, 9, 27, 137, 411, 1233, 3699, 7703, 23109, 69327, 207981, 1055311, 3165933, 9497799, 28493397]

約数ペア:

[(1, 28493397), (3, 9497799), (9, 3165933), (27, 1055311), (137, 207981), (411, 69327), (1233, 23109), (3699, 7703)]