201855645

素因数分解:

$3^4\times 5^1\times {\mathrm{498409}}^1$

素因数の和:498426

約数の個数: 20

約数和(自身を含む): 361845660

約数和(自身を除く): 159990015

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 498409, 1495227, 2492045, 4485681, 7476135, 13457043, 22428405, 40371129, 67285215, 201855645]

約数ペア:

[(1, 201855645), (3, 67285215), (5, 40371129), (9, 22428405), (15, 13457043), (27, 7476135), (45, 4485681), (81, 2492045), (135, 1495227), (405, 498409)]