13017915

素因数分解:

$3^4\times 5^1\times {\mathrm{32143}}^1$

素因数の和:32160

約数の個数: 20

約数和(自身を含む): 23336544

約数和(自身を除く): 10318629

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 32143, 96429, 160715, 289287, 482145, 867861, 1446435, 2603583, 4339305, 13017915]

約数ペア:

[(1, 13017915), (3, 4339305), (5, 2603583), (9, 1446435), (15, 867861), (27, 482145), (45, 289287), (81, 160715), (135, 96429), (405, 32143)]