91416409

素因数分解:

$7^2\times {\mathrm{43}}^2\times {\mathrm{1009}}^1$

素因数の和:1109

約数の個数: 18

約数和(自身を含む): 108980010

約数和(自身を除く): 17563601

約数列:

[1, 7, 43, 49, 301, 1009, 1849, 2107, 7063, 12943, 43387, 49441, 90601, 303709, 1865641, 2125963, 13059487, 91416409]

約数ペア:

[(1, 91416409), (7, 13059487), (43, 2125963), (49, 1865641), (301, 303709), (1009, 90601), (1849, 49441), (2107, 43387), (7063, 12943)]