51949209

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{257}}^1$

素因数の和:417

約数の個数: 32

約数和(自身を含む): 76978944

約数和(自身を除く): 25029735

約数列:

[1, 3, 13, 39, 71, 73, 213, 219, 257, 771, 923, 949, 2769, 2847, 3341, 5183, 10023, 15549, 18247, 18761, 54741, 56283, 67379, 202137, 237211, 243893, 711633, 731679, 1332031, 3996093, 17316403, 51949209]

約数ペア:

[(1, 51949209), (3, 17316403), (13, 3996093), (39, 1332031), (71, 731679), (73, 711633), (213, 243893), (219, 237211), (257, 202137), (771, 67379), (923, 56283), (949, 54741), (2769, 18761), (2847, 18247), (3341, 15549), (5183, 10023)]