394359021

素因数分解:

$3^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{45691}}^1$

素因数の和:45841

約数の個数: 24

約数和(自身を含む): 655771584

約数和(自身を除く): 261412563

約数列:

[1, 3, 7, 9, 21, 63, 137, 411, 959, 1233, 2877, 8631, 45691, 137073, 319837, 411219, 959511, 2878533, 6259667, 18779001, 43817669, 56337003, 131453007, 394359021]

約数ペア:

[(1, 394359021), (3, 131453007), (7, 56337003), (9, 43817669), (21, 18779001), (63, 6259667), (137, 2878533), (411, 959511), (959, 411219), (1233, 319837), (2877, 137073), (8631, 45691)]