12156991

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{463}}^1$

素因数の和:523

約数の個数: 24

約数和(自身を含む): 15798272

約数和(自身を除く): 3641281

約数列:

[1, 7, 11, 31, 77, 121, 217, 341, 463, 847, 2387, 3241, 3751, 5093, 14353, 26257, 35651, 56023, 100471, 157883, 392161, 1105181, 1736713, 12156991]

約数ペア:

[(1, 12156991), (7, 1736713), (11, 1105181), (31, 392161), (77, 157883), (121, 100471), (217, 56023), (341, 35651), (463, 26257), (847, 14353), (2387, 5093), (3241, 3751)]