67780921

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{306701}}^1$

素因数の和:306731

約数の個数: 8

約数和(自身を含む): 77288904

約数和(自身を除く): 9507983

約数列:

[1, 13, 17, 221, 306701, 3987113, 5213917, 67780921]

約数ペア:

[(1, 67780921), (13, 5213917), (17, 3987113), (221, 306701)]