12965355

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{599}}^1$

素因数の和:660

約数の個数: 48

約数和(自身を含む): 24897600

約数和(自身を除く): 11932245

約数列:

[1, 3, 5, 9, 13, 15, 37, 39, 45, 65, 111, 117, 185, 195, 333, 481, 555, 585, 599, 1443, 1665, 1797, 2405, 2995, 4329, 5391, 7215, 7787, 8985, 21645, 22163, 23361, 26955, 38935, 66489, 70083, 110815, 116805, 199467, 288119, 332445, 350415, 864357, 997335, 1440595, 2593071, 4321785, 12965355]

約数ペア:

[(1, 12965355), (3, 4321785), (5, 2593071), (9, 1440595), (13, 997335), (15, 864357), (37, 350415), (39, 332445), (45, 288119), (65, 199467), (111, 116805), (117, 110815), (185, 70083), (195, 66489), (333, 38935), (481, 26955), (555, 23361), (585, 22163), (599, 21645), (1443, 8985), (1665, 7787), (1797, 7215), (2405, 5391), (2995, 4329)]