2151877

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{107}}^1$

素因数の和:157

約数の個数: 24

約数和(自身を含む): 2846016

約数和(自身を除く): 694139

約数列:

[1, 7, 13, 17, 91, 107, 119, 169, 221, 749, 1183, 1391, 1547, 1819, 2873, 9737, 12733, 18083, 20111, 23647, 126581, 165529, 307411, 2151877]

約数ペア:

[(1, 2151877), (7, 307411), (13, 165529), (17, 126581), (91, 23647), (107, 20111), (119, 18083), (169, 12733), (221, 9737), (749, 2873), (1183, 1819), (1391, 1547)]