81791281

素因数分解:

${\mathrm{11}}^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1$

素因数の和:238

約数の個数: 32

約数和(自身を含む): 100840320

約数和(自身を除く): 19049039

約数列:

[1, 11, 13, 29, 121, 143, 163, 319, 377, 1331, 1573, 1793, 2119, 3509, 4147, 4727, 17303, 19723, 23309, 38599, 45617, 51997, 61451, 216953, 256399, 501787, 571967, 675961, 2820389, 6291637, 7435571, 81791281]

約数ペア:

[(1, 81791281), (11, 7435571), (13, 6291637), (29, 2820389), (121, 675961), (143, 571967), (163, 501787), (319, 256399), (377, 216953), (1331, 61451), (1573, 51997), (1793, 45617), (2119, 38599), (3509, 23309), (4147, 19723), (4727, 17303)]