828891

素因数分解:

$3^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{223}}^1$

素因数の和:295

約数の個数: 24

約数和(自身を含む): 1397760

約数和(自身を除く): 568869

約数列:

[1, 3, 7, 9, 21, 59, 63, 177, 223, 413, 531, 669, 1239, 1561, 2007, 3717, 4683, 13157, 14049, 39471, 92099, 118413, 276297, 828891]

約数ペア:

[(1, 828891), (3, 276297), (7, 118413), (9, 92099), (21, 39471), (59, 14049), (63, 13157), (177, 4683), (223, 3717), (413, 2007), (531, 1561), (669, 1239)]