12233221

素因数分解:

$7^1\times {\mathrm{11}}^3\times {\mathrm{13}}^1\times {\mathrm{101}}^1$

素因数の和:154

約数の個数: 32

約数和(自身を含む): 16724736

約数和(自身を除く): 4491515

約数列:

[1, 7, 11, 13, 77, 91, 101, 121, 143, 707, 847, 1001, 1111, 1313, 1331, 1573, 7777, 9191, 9317, 11011, 12221, 14443, 17303, 85547, 101101, 121121, 134431, 158873, 941017, 1112111, 1747603, 12233221]

約数ペア:

[(1, 12233221), (7, 1747603), (11, 1112111), (13, 941017), (77, 158873), (91, 134431), (101, 121121), (121, 101101), (143, 85547), (707, 17303), (847, 14443), (1001, 12221), (1111, 11011), (1313, 9317), (1331, 9191), (1573, 7777)]