81994125

素因数分解:

$3^1\times 5^3\times {\mathrm{218651}}^1$

素因数の和:218669

約数の個数: 16

約数和(自身を含む): 136438848

約数和(自身を除く): 54444723

約数列:

[1, 3, 5, 15, 25, 75, 125, 375, 218651, 655953, 1093255, 3279765, 5466275, 16398825, 27331375, 81994125]

約数ペア:

[(1, 81994125), (3, 27331375), (5, 16398825), (15, 5466275), (25, 3279765), (75, 1093255), (125, 655953), (375, 218651)]