15521391

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{229}}^1\times {\mathrm{443}}^1$

素因数の和:695

約数の個数: 24

約数和(自身を含む): 23896080

約数和(自身を除く): 8374689

約数列:

[1, 3, 9, 17, 51, 153, 229, 443, 687, 1329, 2061, 3893, 3987, 7531, 11679, 22593, 35037, 67779, 101447, 304341, 913023, 1724599, 5173797, 15521391]

約数ペア:

[(1, 15521391), (3, 5173797), (9, 1724599), (17, 913023), (51, 304341), (153, 101447), (229, 67779), (443, 35037), (687, 22593), (1329, 11679), (2061, 7531), (3893, 3987)]