988605

素因数分解:

$3^4\times 5^1\times {\mathrm{2441}}^1$

素因数の和:2458

約数の個数: 20

約数和(自身を含む): 1772892

約数和(自身を除く): 784287

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 2441, 7323, 12205, 21969, 36615, 65907, 109845, 197721, 329535, 988605]

約数ペア:

[(1, 988605), (3, 329535), (5, 197721), (9, 109845), (15, 65907), (27, 36615), (45, 21969), (81, 12205), (135, 7323), (405, 2441)]