15121953

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{21821}}^1$

素因数の和:21845

約数の個数: 24

約数和(自身を含む): 27233856

約数和(自身を除く): 12111903

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 693, 21821, 65463, 152747, 196389, 240031, 458241, 720093, 1374723, 1680217, 2160279, 5040651, 15121953]

約数ペア:

[(1, 15121953), (3, 5040651), (7, 2160279), (9, 1680217), (11, 1374723), (21, 720093), (33, 458241), (63, 240031), (77, 196389), (99, 152747), (231, 65463), (693, 21821)]