1330972741

素因数分解:

$7^4\times {\mathrm{457}}^1\times {\mathrm{1213}}^1$

素因数の和:1698

約数の個数: 20

約数和(自身を含む): 1557389612

約数和(自身を除く): 226416871

約数列:

[1, 7, 49, 343, 457, 1213, 2401, 3199, 8491, 22393, 59437, 156751, 416059, 554341, 1097257, 2912413, 3880387, 27162709, 190138963, 1330972741]

約数ペア:

[(1, 1330972741), (7, 190138963), (49, 27162709), (343, 3880387), (457, 2912413), (1213, 1097257), (2401, 554341), (3199, 416059), (8491, 156751), (22393, 59437)]