397311723

素因数分解:

$3^4\times {\mathrm{59}}^1\times {\mathrm{83137}}^1$

素因数の和:83208

約数の個数: 20

約数和(自身を含む): 603581880

約数和(自身を除く): 206270157

約数列:

[1, 3, 9, 27, 59, 81, 177, 531, 1593, 4779, 83137, 249411, 748233, 2244699, 4905083, 6734097, 14715249, 44145747, 132437241, 397311723]

約数ペア:

[(1, 397311723), (3, 132437241), (9, 44145747), (27, 14715249), (59, 6734097), (81, 4905083), (177, 2244699), (531, 748233), (1593, 249411), (4779, 83137)]