261567477

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{12511}}^1$

素因数の和:12641

約数の個数: 24

約数和(自身を含む): 398181888

約数和(自身を除く): 136614411

約数列:

[1, 3, 9, 23, 69, 101, 207, 303, 909, 2323, 6969, 12511, 20907, 37533, 112599, 287753, 863259, 1263611, 2589777, 3790833, 11372499, 29063053, 87189159, 261567477]

約数ペア:

[(1, 261567477), (3, 87189159), (9, 29063053), (23, 11372499), (69, 3790833), (101, 2589777), (207, 1263611), (303, 863259), (909, 287753), (2323, 112599), (6969, 37533), (12511, 20907)]