28005557677575

素因数分解:

$3^1\times 5^2\times {\mathrm{826289}}^1\times {\mathrm{451909}}^1$

素因数の和:1278211

約数の個数: 24

約数和(自身を含む): 46302680523600

約数和(自身を除く): 18297122846025

約数列:

[1, 3, 5, 15, 25, 75, 451909, 826289, 1355727, 2259545, 2478867, 4131445, 6778635, 11297725, 12394335, 20657225, 33893175, 61971675, 373407435701, 1120222307103, 1867037178505, 5601111535515, 9335185892525, 28005557677575]

約数ペア:

[(1, 28005557677575), (3, 9335185892525), (5, 5601111535515), (15, 1867037178505), (25, 1120222307103), (75, 373407435701), (451909, 61971675), (826289, 33893175), (1355727, 20657225), (2259545, 12394335), (2478867, 11297725), (4131445, 6778635)]