51307815

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1$

素因数の和:304

約数の個数: 64

約数和(自身を含む): 94026240

約数和(自身を除く): 42718425

約数列:

[1, 3, 5, 13, 15, 29, 39, 43, 65, 87, 129, 145, 195, 211, 215, 377, 435, 559, 633, 645, 1055, 1131, 1247, 1677, 1885, 2743, 2795, 3165, 3741, 5655, 6119, 6235, 8229, 8385, 9073, 13715, 16211, 18357, 18705, 27219, 30595, 41145, 45365, 48633, 79547, 81055, 91785, 117949, 136095, 238641, 243165, 263117, 353847, 397735, 589745, 789351, 1193205, 1315585, 1769235, 3420521, 3946755, 10261563, 17102605, 51307815]

約数ペア:

[(1, 51307815), (3, 17102605), (5, 10261563), (13, 3946755), (15, 3420521), (29, 1769235), (39, 1315585), (43, 1193205), (65, 789351), (87, 589745), (129, 397735), (145, 353847), (195, 263117), (211, 243165), (215, 238641), (377, 136095), (435, 117949), (559, 91785), (633, 81055), (645, 79547), (1055, 48633), (1131, 45365), (1247, 41145), (1677, 30595), (1885, 27219), (2743, 18705), (2795, 18357), (3165, 16211), (3741, 13715), (5655, 9073), (6119, 8385), (6235, 8229)]