22221111

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{101}}^1\times {\mathrm{113}}^1$

素因数の和:287

約数の個数: 32

約数和(自身を含む): 33488640

約数和(自身を除く): 11267529

約数列:

[1, 3, 11, 33, 59, 101, 113, 177, 303, 339, 649, 1111, 1243, 1947, 3333, 3729, 5959, 6667, 11413, 17877, 20001, 34239, 65549, 73337, 125543, 196647, 220011, 376629, 673367, 2020101, 7407037, 22221111]

約数ペア:

[(1, 22221111), (3, 7407037), (11, 2020101), (33, 673367), (59, 376629), (101, 220011), (113, 196647), (177, 125543), (303, 73337), (339, 65549), (649, 34239), (1111, 20001), (1243, 17877), (1947, 11413), (3333, 6667), (3729, 5959)]