81014913

素因数分解:

$3^2\times 7^1\times {\mathrm{691}}^1\times {\mathrm{1861}}^1$

素因数の和:2565

約数の個数: 24

約数和(自身を含む): 134004416

約数和(自身を除く): 52989503

約数列:

[1, 3, 7, 9, 21, 63, 691, 1861, 2073, 4837, 5583, 6219, 13027, 14511, 16749, 39081, 43533, 117243, 1285951, 3857853, 9001657, 11573559, 27004971, 81014913]

約数ペア:

[(1, 81014913), (3, 27004971), (7, 11573559), (9, 9001657), (21, 3857853), (63, 1285951), (691, 117243), (1861, 43533), (2073, 39081), (4837, 16749), (5583, 14511), (6219, 13027)]