203488897005

素因数分解:

$3^4\times 5^1\times {\mathrm{502441721}}^1$

素因数の和:502441738

約数の個数: 20

約数和(自身を含む): 364772690172

約数和(自身を除く): 161283793167

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 502441721, 1507325163, 2512208605, 4521975489, 7536625815, 13565926467, 22609877445, 40697779401, 67829632335, 203488897005]

約数ペア:

[(1, 203488897005), (3, 67829632335), (5, 40697779401), (9, 22609877445), (15, 13565926467), (27, 7536625815), (45, 4521975489), (81, 2512208605), (135, 1507325163), (405, 502441721)]