9927905

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{379}}^1$

素因数の和:441

約数の個数: 24

約数和(自身を含む): 13351680

約数和(自身を除く): 3423775

約数列:

[1, 5, 13, 31, 65, 155, 169, 379, 403, 845, 1895, 2015, 4927, 5239, 11749, 24635, 26195, 58745, 64051, 152737, 320255, 763685, 1985581, 9927905]

約数ペア:

[(1, 9927905), (5, 1985581), (13, 763685), (31, 320255), (65, 152737), (155, 64051), (169, 58745), (379, 26195), (403, 24635), (845, 11749), (1895, 5239), (2015, 4927)]