28025739

素因数分解:

$3^2\times 7^1\times {\mathrm{661}}^1\times {\mathrm{673}}^1$

素因数の和:1347

約数の個数: 24

約数和(自身を含む): 46403552

約数和(自身を除く): 18377813

約数列:

[1, 3, 7, 9, 21, 63, 661, 673, 1983, 2019, 4627, 4711, 5949, 6057, 13881, 14133, 41643, 42399, 444853, 1334559, 3113971, 4003677, 9341913, 28025739]

約数ペア:

[(1, 28025739), (3, 9341913), (7, 4003677), (9, 3113971), (21, 1334559), (63, 444853), (661, 42399), (673, 41643), (1983, 14133), (2019, 13881), (4627, 6057), (4711, 5949)]