720286893

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{1951997}}^1$

素因数の和:1952044

約数の個数: 12

約数和(自身を含む): 1065790908

約数和(自身を除く): 345504015

約数列:

[1, 3, 9, 41, 123, 369, 1951997, 5855991, 17567973, 80031877, 240095631, 720286893]

約数ペア:

[(1, 720286893), (3, 240095631), (9, 80031877), (41, 17567973), (123, 5855991), (369, 1951997)]