27977781

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{139}}^1\times {\mathrm{397}}^1$

素因数の和:565

約数の個数: 24

約数和(自身を含む): 40787040

約数和(自身を除く): 12809259

約数列:

[1, 3, 13, 39, 139, 169, 397, 417, 507, 1191, 1807, 5161, 5421, 15483, 23491, 55183, 67093, 70473, 165549, 201279, 717379, 2152137, 9325927, 27977781]

約数ペア:

[(1, 27977781), (3, 9325927), (13, 2152137), (39, 717379), (139, 201279), (169, 165549), (397, 70473), (417, 67093), (507, 55183), (1191, 23491), (1807, 15483), (5161, 5421)]