81148575

素因数分解:

$3^1\times 5^2\times {\mathrm{1081981}}^1$

素因数の和:1081994

約数の個数: 12

約数和(自身を含む): 134165768

約数和(自身を除く): 53017193

約数列:

[1, 3, 5, 15, 25, 75, 1081981, 3245943, 5409905, 16229715, 27049525, 81148575]

約数ペア:

[(1, 81148575), (3, 27049525), (5, 16229715), (15, 5409905), (25, 3245943), (75, 1081981)]