68443389

素因数分解:

$3^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{9967}}^1$

素因数の和:10089

約数の個数: 24

約数和(自身を含む): 114033920

約数和(自身を除く): 45590531

約数列:

[1, 3, 7, 9, 21, 63, 109, 327, 763, 981, 2289, 6867, 9967, 29901, 69769, 89703, 209307, 627921, 1086403, 3259209, 7604821, 9777627, 22814463, 68443389]

約数ペア:

[(1, 68443389), (3, 22814463), (7, 9777627), (9, 7604821), (21, 3259209), (63, 1086403), (109, 627921), (327, 209307), (763, 89703), (981, 69769), (2289, 29901), (6867, 9967)]