86156721

素因数分解:

$3^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{12781}}^1$

素因数の和:12901

約数の個数: 24

約数和(自身を含む): 143567424

約数和(自身を除く): 57410703

約数列:

[1, 3, 7, 9, 21, 63, 107, 321, 749, 963, 2247, 6741, 12781, 38343, 89467, 115029, 268401, 805203, 1367567, 4102701, 9572969, 12308103, 28718907, 86156721]

約数ペア:

[(1, 86156721), (3, 28718907), (7, 12308103), (9, 9572969), (21, 4102701), (63, 1367567), (107, 805203), (321, 268401), (749, 115029), (963, 89467), (2247, 38343), (6741, 12781)]