81281519

素因数分解:

${\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{3803}}^1$

素因数の和:3910

約数の個数: 16

約数和(自身を含む): 93121920

約数和(自身を除く): 11840401

約数列:

[1, 11, 29, 67, 319, 737, 1943, 3803, 21373, 41833, 110287, 254801, 1213157, 2802811, 7389229, 81281519]

約数ペア:

[(1, 81281519), (11, 7389229), (29, 2802811), (67, 1213157), (319, 254801), (737, 110287), (1943, 41833), (3803, 21373)]