15131529

素因数分解:

$3^4\times 7^1\times {\mathrm{26687}}^1$

素因数の和:26706

約数の個数: 20

約数和(自身を含む): 25833984

約数和(自身を除く): 10702455

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 26687, 80061, 186809, 240183, 560427, 720549, 1681281, 2161647, 5043843, 15131529]

約数ペア:

[(1, 15131529), (3, 5043843), (7, 2161647), (9, 1681281), (21, 720549), (27, 560427), (63, 240183), (81, 186809), (189, 80061), (567, 26687)]