261034731

素因数分解:

$3^5\times {\mathrm{137}}^1\times {\mathrm{7841}}^1$

素因数の和:7993

約数の個数: 24

約数和(自身を含む): 393919344

約数和(自身を除く): 132884613

約数列:

[1, 3, 9, 27, 81, 137, 243, 411, 1233, 3699, 7841, 11097, 23523, 33291, 70569, 211707, 635121, 1074217, 1905363, 3222651, 9667953, 29003859, 87011577, 261034731]

約数ペア:

[(1, 261034731), (3, 87011577), (9, 29003859), (27, 9667953), (81, 3222651), (137, 1905363), (243, 1074217), (411, 635121), (1233, 211707), (3699, 70569), (7841, 33291), (11097, 23523)]