201989295

素因数分解:

$3^4\times 5^1\times {\mathrm{498739}}^1$

素因数の和:498756

約数の個数: 20

約数和(自身を含む): 362085240

約数和(自身を除く): 160095945

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 498739, 1496217, 2493695, 4488651, 7481085, 13465953, 22443255, 40397859, 67329765, 201989295]

約数ペア:

[(1, 201989295), (3, 67329765), (5, 40397859), (9, 22443255), (15, 13465953), (27, 7481085), (45, 4488651), (81, 2493695), (135, 1496217), (405, 498739)]