320415879

素因数分解:

$3^1\times 7^1\times {\mathrm{719}}^1\times {\mathrm{21221}}^1$

素因数の和:21950

約数の個数: 16

約数和(自身を含む): 488954880

約数和(自身を除く): 168539001

約数列:

[1, 3, 7, 21, 719, 2157, 5033, 15099, 21221, 63663, 148547, 445641, 15257899, 45773697, 106805293, 320415879]

約数ペア:

[(1, 320415879), (3, 106805293), (7, 45773697), (21, 15257899), (719, 445641), (2157, 148547), (5033, 63663), (15099, 21221)]