81703921

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{2137}}^1$

素因数の和:2340

約数の個数: 16

約数和(自身を含む): 93747024

約数和(自身を除く): 12043103

約数列:

[1, 13, 17, 173, 221, 2137, 2249, 2941, 27781, 36329, 38233, 369701, 472277, 4806113, 6284917, 81703921]

約数ペア:

[(1, 81703921), (13, 6284917), (17, 4806113), (173, 472277), (221, 369701), (2137, 38233), (2249, 36329), (2941, 27781)]