71738991

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{389}}^1\times {\mathrm{661}}^1$

素因数の和:1087

約数の個数: 24

約数和(自身を含む): 107402880

約数和(自身を除く): 35663889

約数列:

[1, 3, 9, 31, 93, 279, 389, 661, 1167, 1983, 3501, 5949, 12059, 20491, 36177, 61473, 108531, 184419, 257129, 771387, 2314161, 7970999, 23912997, 71738991]

約数ペア:

[(1, 71738991), (3, 23912997), (9, 7970999), (31, 2314161), (93, 771387), (279, 257129), (389, 184419), (661, 108531), (1167, 61473), (1983, 36177), (3501, 20491), (5949, 12059)]