28093023

素因数分解:

$3^2\times 7^2\times {\mathrm{63703}}^1$

素因数の和:63723

約数の個数: 18

約数和(自身を含む): 47204664

約数和(自身を除く): 19111641

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 63703, 191109, 445921, 573327, 1337763, 3121447, 4013289, 9364341, 28093023]

約数ペア:

[(1, 28093023), (3, 9364341), (7, 4013289), (9, 3121447), (21, 1337763), (49, 573327), (63, 445921), (147, 191109), (441, 63703)]