80935953

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{2857}}^1$

素因数の和:2957

約数の個数: 32

約数和(自身を含む): 131696640

約数和(自身を除く): 50760687

約数列:

[1, 3, 7, 19, 21, 57, 71, 133, 213, 399, 497, 1349, 1491, 2857, 4047, 8571, 9443, 19999, 28329, 54283, 59997, 162849, 202847, 379981, 608541, 1139943, 1419929, 3854093, 4259787, 11562279, 26978651, 80935953]

約数ペア:

[(1, 80935953), (3, 26978651), (7, 11562279), (19, 4259787), (21, 3854093), (57, 1419929), (71, 1139943), (133, 608541), (213, 379981), (399, 202847), (497, 162849), (1349, 59997), (1491, 54283), (2857, 28329), (4047, 19999), (8571, 9443)]