7121219

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{7649}}^1$

素因数の和:7682

約数の個数: 12

約数和(自身を含む): 8721000

約数和(自身を除く): 1599781

約数列:

[1, 7, 19, 49, 133, 931, 7649, 53543, 145331, 374801, 1017317, 7121219]

約数ペア:

[(1, 7121219), (7, 1017317), (19, 374801), (49, 145331), (133, 53543), (931, 7649)]