81591939

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{63397}}^1$

素因数の和:63427

約数の個数: 24

約数和(自身を含む): 138461232

約数和(自身を除く): 56869293

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 117, 143, 429, 1287, 63397, 190191, 570573, 697367, 824161, 2092101, 2472483, 6276303, 7417449, 9065771, 27197313, 81591939]

約数ペア:

[(1, 81591939), (3, 27197313), (9, 9065771), (11, 7417449), (13, 6276303), (33, 2472483), (39, 2092101), (99, 824161), (117, 697367), (143, 570573), (429, 190191), (1287, 63397)]