81732693

素因数分解:

$3^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{28409}}^1$

素因数の和:28556

約数の個数: 16

約数和(自身を含む): 125458560

約数和(自身を除く): 43725867

約数列:

[1, 3, 7, 21, 137, 411, 959, 2877, 28409, 85227, 198863, 596589, 3892033, 11676099, 27244231, 81732693]

約数ペア:

[(1, 81732693), (3, 27244231), (7, 11676099), (21, 3892033), (137, 596589), (411, 198863), (959, 85227), (2877, 28409)]