139888905

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{139}}^1\times {\mathrm{397}}^1$

素因数の和:570

約数の個数: 48

約数和(自身を含む): 244722240

約数和(自身を除く): 104833335

約数列:

[1, 3, 5, 13, 15, 39, 65, 139, 169, 195, 397, 417, 507, 695, 845, 1191, 1807, 1985, 2085, 2535, 5161, 5421, 5955, 9035, 15483, 23491, 25805, 27105, 55183, 67093, 70473, 77415, 117455, 165549, 201279, 275915, 335465, 352365, 717379, 827745, 1006395, 2152137, 3586895, 9325927, 10760685, 27977781, 46629635, 139888905]

約数ペア:

[(1, 139888905), (3, 46629635), (5, 27977781), (13, 10760685), (15, 9325927), (39, 3586895), (65, 2152137), (139, 1006395), (169, 827745), (195, 717379), (397, 352365), (417, 335465), (507, 275915), (695, 201279), (845, 165549), (1191, 117455), (1807, 77415), (1985, 70473), (2085, 67093), (2535, 55183), (5161, 27105), (5421, 25805), (5955, 23491), (9035, 15483)]