77720321

素因数分解:

$7^2\times {\mathrm{139}}^1\times {\mathrm{11411}}^1$

素因数の和:11564

約数の個数: 12

約数和(自身を含む): 91067760

約数和(自身を除く): 13347439

約数列:

[1, 7, 49, 139, 973, 6811, 11411, 79877, 559139, 1586129, 11102903, 77720321]

約数ペア:

[(1, 77720321), (7, 11102903), (49, 1586129), (139, 559139), (973, 79877), (6811, 11411)]