8161389

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{443}}^1$

素因数の和:561

約数の個数: 24

約数和(自身を含む): 12467520

約数和(自身を除く): 4306131

約数列:

[1, 3, 9, 23, 69, 89, 207, 267, 443, 801, 1329, 2047, 3987, 6141, 10189, 18423, 30567, 39427, 91701, 118281, 354843, 906821, 2720463, 8161389]

約数ペア:

[(1, 8161389), (3, 2720463), (9, 906821), (23, 354843), (69, 118281), (89, 91701), (207, 39427), (267, 30567), (443, 18423), (801, 10189), (1329, 6141), (2047, 3987)]