856551297

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1315747}}^1$

素因数の和:1315788

約数の個数: 16

約数和(自身を含む): 1347325952

約数和(自身を除く): 490774655

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 1315747, 3947241, 9210229, 27630687, 40788157, 122364471, 285517099, 856551297]

約数ペア:

[(1, 856551297), (3, 285517099), (7, 122364471), (21, 40788157), (31, 27630687), (93, 9210229), (217, 3947241), (651, 1315747)]