2017668891

素因数分解:

$3^1\times 7^1\times {\mathrm{4391}}^1\times {\mathrm{21881}}^1$

素因数の和:26282

約数の個数: 16

約数和(自身を含む): 3075383808

約数和(自身を除く): 1057714917

約数列:

[1, 3, 7, 21, 4391, 13173, 21881, 30737, 65643, 92211, 153167, 459501, 96079471, 288238413, 672556297, 2017668891]

約数ペア:

[(1, 2017668891), (3, 672556297), (7, 288238413), (21, 96079471), (4391, 459501), (13173, 153167), (21881, 92211), (30737, 65643)]