157079781

素因数分解:

$3^2\times {\mathrm{47}}^2\times {\mathrm{7901}}^1$

素因数の和:8001

約数の個数: 18

約数和(自身を含む): 231852582

約数和(自身を除く): 74772801

約数列:

[1, 3, 9, 47, 141, 423, 2209, 6627, 7901, 19881, 23703, 71109, 371347, 1114041, 3342123, 17453309, 52359927, 157079781]

約数ペア:

[(1, 157079781), (3, 52359927), (9, 17453309), (47, 3342123), (141, 1114041), (423, 371347), (2209, 71109), (6627, 23703), (7901, 19881)]