12989565

素因数分解:

$3^5\times 5^1\times {\mathrm{10691}}^1$

素因数の和:10711

約数の個数: 24

約数和(自身を含む): 23351328

約数和(自身を除く): 10361763

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 10691, 32073, 53455, 96219, 160365, 288657, 481095, 865971, 1443285, 2597913, 4329855, 12989565]

約数ペア:

[(1, 12989565), (3, 4329855), (5, 2597913), (9, 1443285), (15, 865971), (27, 481095), (45, 288657), (81, 160365), (135, 96219), (243, 53455), (405, 32073), (1215, 10691)]