81407739

素因数分解:

$3^1\times 7^1\times {\mathrm{269}}^1\times {\mathrm{14411}}^1$

素因数の和:14690

約数の個数: 16

約数和(自身を含む): 124519680

約数和(自身を除く): 43111941

約数列:

[1, 3, 7, 21, 269, 807, 1883, 5649, 14411, 43233, 100877, 302631, 3876559, 11629677, 27135913, 81407739]

約数ペア:

[(1, 81407739), (3, 27135913), (7, 11629677), (21, 3876559), (269, 302631), (807, 100877), (1883, 43233), (5649, 14411)]