81794531

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1429}}^1$

素因数の和:1503

約数の個数: 32

約数和(自身を含む): 109549440

約数和(自身を除く): 27754909

約数列:

[1, 7, 13, 17, 37, 91, 119, 221, 259, 481, 629, 1429, 1547, 3367, 4403, 8177, 10003, 18577, 24293, 52873, 57239, 130039, 170051, 315809, 370111, 687349, 898841, 2210663, 4811443, 6291887, 11684933, 81794531]

約数ペア:

[(1, 81794531), (7, 11684933), (13, 6291887), (17, 4811443), (37, 2210663), (91, 898841), (119, 687349), (221, 370111), (259, 315809), (481, 170051), (629, 130039), (1429, 57239), (1547, 52873), (3367, 24293), (4403, 18577), (8177, 10003)]