81905823

素因数分解:

$3^5\times {\mathrm{41}}^1\times {\mathrm{8221}}^1$

素因数の和:8277

約数の個数: 24

約数和(自身を含む): 125697936

約数和(自身を除く): 43792113

約数列:

[1, 3, 9, 27, 41, 81, 123, 243, 369, 1107, 3321, 8221, 9963, 24663, 73989, 221967, 337061, 665901, 1011183, 1997703, 3033549, 9100647, 27301941, 81905823]

約数ペア:

[(1, 81905823), (3, 27301941), (9, 9100647), (27, 3033549), (41, 1997703), (81, 1011183), (123, 665901), (243, 337061), (369, 221967), (1107, 73989), (3321, 24663), (8221, 9963)]