28074915

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1319}}^1$

素因数の和:1384

約数の個数: 48

約数和(自身を含む): 54362880

約数和(自身を除く): 26287965

約数列:

[1, 3, 5, 9, 11, 15, 33, 43, 45, 55, 99, 129, 165, 215, 387, 473, 495, 645, 1319, 1419, 1935, 2365, 3957, 4257, 6595, 7095, 11871, 14509, 19785, 21285, 43527, 56717, 59355, 72545, 130581, 170151, 217635, 283585, 510453, 623887, 652905, 850755, 1871661, 2552265, 3119435, 5614983, 9358305, 28074915]

約数ペア:

[(1, 28074915), (3, 9358305), (5, 5614983), (9, 3119435), (11, 2552265), (15, 1871661), (33, 850755), (43, 652905), (45, 623887), (55, 510453), (99, 283585), (129, 217635), (165, 170151), (215, 130581), (387, 72545), (473, 59355), (495, 56717), (645, 43527), (1319, 21285), (1419, 19785), (1935, 14509), (2365, 11871), (3957, 7095), (4257, 6595)]