2100038925

素因数分解:

$3^1\times 5^2\times {\mathrm{181}}^1\times {\mathrm{154699}}^1$

素因数の和:154893

約数の個数: 24

約数和(自身を含む): 3491269600

約数和(自身を除く): 1391230675

約数列:

[1, 3, 5, 15, 25, 75, 181, 543, 905, 2715, 4525, 13575, 154699, 464097, 773495, 2320485, 3867475, 11602425, 28000519, 84001557, 140002595, 420007785, 700012975, 2100038925]

約数ペア:

[(1, 2100038925), (3, 700012975), (5, 420007785), (15, 140002595), (25, 84001557), (75, 28000519), (181, 11602425), (543, 3867475), (905, 2320485), (2715, 773495), (4525, 464097), (13575, 154699)]