388367049

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{51229}}^1$

素因数の和:51277

約数の個数: 24

約数和(自身を含む): 624596160

約数和(自身を除く): 236229111

約数列:

[1, 3, 7, 19, 21, 57, 133, 361, 399, 1083, 2527, 7581, 51229, 153687, 358603, 973351, 1075809, 2920053, 6813457, 18493669, 20440371, 55481007, 129455683, 388367049]

約数ペア:

[(1, 388367049), (3, 129455683), (7, 55481007), (19, 20440371), (21, 18493669), (57, 6813457), (133, 2920053), (361, 1075809), (399, 973351), (1083, 358603), (2527, 153687), (7581, 51229)]