28851615

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{331}}^1$

素因数の和:504

約数の個数: 48

約数和(自身を含む): 54381600

約数和(自身を除く): 25529985

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 149, 195, 331, 447, 585, 745, 993, 1341, 1655, 1937, 2235, 2979, 4303, 4965, 5811, 6705, 9685, 12909, 14895, 17433, 21515, 29055, 38727, 49319, 64545, 87165, 147957, 193635, 246595, 443871, 641147, 739785, 1923441, 2219355, 3205735, 5770323, 9617205, 28851615]

約数ペア:

[(1, 28851615), (3, 9617205), (5, 5770323), (9, 3205735), (13, 2219355), (15, 1923441), (39, 739785), (45, 641147), (65, 443871), (117, 246595), (149, 193635), (195, 147957), (331, 87165), (447, 64545), (585, 49319), (745, 38727), (993, 29055), (1341, 21515), (1655, 17433), (1937, 14895), (2235, 12909), (2979, 9685), (4303, 6705), (4965, 5811)]