7905121

素因数分解:

$7^3\times {\mathrm{19}}^1\times {\mathrm{1213}}^1$

素因数の和:1253

約数の個数: 16

約数和(自身を含む): 9712000

約数和(自身を除く): 1806879

約数列:

[1, 7, 19, 49, 133, 343, 931, 1213, 6517, 8491, 23047, 59437, 161329, 416059, 1129303, 7905121]

約数ペア:

[(1, 7905121), (7, 1129303), (19, 416059), (49, 161329), (133, 59437), (343, 23047), (931, 8491), (1213, 6517)]