25301115

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2591}}^1$

素因数の和:2640

約数の個数: 48

約数和(自身を含む): 51757056

約数和(自身を除く): 26455941

約数列:

[1, 3, 5, 7, 9, 15, 21, 31, 35, 45, 63, 93, 105, 155, 217, 279, 315, 465, 651, 1085, 1395, 1953, 2591, 3255, 7773, 9765, 12955, 18137, 23319, 38865, 54411, 80321, 90685, 116595, 163233, 240963, 272055, 401605, 562247, 722889, 816165, 1204815, 1686741, 2811235, 3614445, 5060223, 8433705, 25301115]

約数ペア:

[(1, 25301115), (3, 8433705), (5, 5060223), (7, 3614445), (9, 2811235), (15, 1686741), (21, 1204815), (31, 816165), (35, 722889), (45, 562247), (63, 401605), (93, 272055), (105, 240963), (155, 163233), (217, 116595), (279, 90685), (315, 80321), (465, 54411), (651, 38865), (1085, 23319), (1395, 18137), (1953, 12955), (2591, 9765), (3255, 7773)]