25115415

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^2$

素因数の和:176

約数の個数: 48

約数和(自身を含む): 45211488

約数和(自身を除く): 20096073

約数列:

[1, 3, 5, 13, 15, 37, 39, 59, 65, 111, 177, 185, 195, 295, 481, 555, 767, 885, 1443, 2183, 2301, 2405, 3481, 3835, 6549, 7215, 10443, 10915, 11505, 17405, 28379, 32745, 45253, 52215, 85137, 128797, 135759, 141895, 226265, 386391, 425685, 643985, 678795, 1674361, 1931955, 5023083, 8371805, 25115415]

約数ペア:

[(1, 25115415), (3, 8371805), (5, 5023083), (13, 1931955), (15, 1674361), (37, 678795), (39, 643985), (59, 425685), (65, 386391), (111, 226265), (177, 141895), (185, 135759), (195, 128797), (295, 85137), (481, 52215), (555, 45253), (767, 32745), (885, 28379), (1443, 17405), (2183, 11505), (2301, 10915), (2405, 10443), (3481, 7215), (3835, 6549)]