54777915

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{28309}}^1$

素因数の和:28363

約数の個数: 24

約数和(自身を含む): 97159920

約数和(自身を除く): 42382005

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 28309, 84927, 141545, 254781, 424635, 1217287, 1273905, 3651861, 6086435, 10955583, 18259305, 54777915]

約数ペア:

[(1, 54777915), (3, 18259305), (5, 10955583), (9, 6086435), (15, 3651861), (43, 1273905), (45, 1217287), (129, 424635), (215, 254781), (387, 141545), (645, 84927), (1935, 28309)]