30909935

素因数分解:

$5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{1597}}^1$

素因数の和:1695

約数の個数: 24

約数和(自身を含む): 43721280

約数和(自身を除く): 12811345

約数列:

[1, 5, 7, 35, 49, 79, 245, 395, 553, 1597, 2765, 3871, 7985, 11179, 19355, 55895, 78253, 126163, 391265, 630815, 883141, 4415705, 6181987, 30909935]

約数ペア:

[(1, 30909935), (5, 6181987), (7, 4415705), (35, 883141), (49, 630815), (79, 391265), (245, 126163), (395, 78253), (553, 55895), (1597, 19355), (2765, 11179), (3871, 7985)]