81657953

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{19447}}^1$

素因数の和:19496

約数の個数: 16

約数和(自身を含む): 98017920

約数和(自身を除く): 16359967

約数列:

[1, 13, 17, 19, 221, 247, 323, 4199, 19447, 252811, 330599, 369493, 4297787, 4803409, 6281381, 81657953]

約数ペア:

[(1, 81657953), (13, 6281381), (17, 4803409), (19, 4297787), (221, 369493), (247, 330599), (323, 252811), (4199, 19447)]