25657515

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{719}}^1$

素因数の和:804

約数の個数: 48

約数和(自身を含む): 48746880

約数和(自身を除く): 23089365

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 61, 65, 117, 183, 195, 305, 549, 585, 719, 793, 915, 2157, 2379, 2745, 3595, 3965, 6471, 7137, 9347, 10785, 11895, 28041, 32355, 35685, 43859, 46735, 84123, 131577, 140205, 219295, 394731, 420615, 570167, 657885, 1710501, 1973655, 2850835, 5131503, 8552505, 25657515]

約数ペア:

[(1, 25657515), (3, 8552505), (5, 5131503), (9, 2850835), (13, 1973655), (15, 1710501), (39, 657885), (45, 570167), (61, 420615), (65, 394731), (117, 219295), (183, 140205), (195, 131577), (305, 84123), (549, 46735), (585, 43859), (719, 35685), (793, 32355), (915, 28041), (2157, 11895), (2379, 10785), (2745, 9347), (3595, 7137), (3965, 6471)]