13217337

素因数分解:

$3^4\times 7^1\times {\mathrm{23311}}^1$

素因数の和:23330

約数の個数: 20

約数和(自身を含む): 22566016

約数和(自身を除く): 9348679

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 23311, 69933, 163177, 209799, 489531, 629397, 1468593, 1888191, 4405779, 13217337]

約数ペア:

[(1, 13217337), (3, 4405779), (7, 1888191), (9, 1468593), (21, 629397), (27, 489531), (63, 209799), (81, 163177), (189, 69933), (567, 23311)]