28036275

素因数分解:

$3^1\times 5^2\times {\mathrm{157}}^1\times {\mathrm{2381}}^1$

素因数の和:2551

約数の個数: 24

約数和(自身を含む): 46668144

約数和(自身を除く): 18631869

約数列:

[1, 3, 5, 15, 25, 75, 157, 471, 785, 2355, 2381, 3925, 7143, 11775, 11905, 35715, 59525, 178575, 373817, 1121451, 1869085, 5607255, 9345425, 28036275]

約数ペア:

[(1, 28036275), (3, 9345425), (5, 5607255), (15, 1869085), (25, 1121451), (75, 373817), (157, 178575), (471, 59525), (785, 35715), (2355, 11905), (2381, 11775), (3925, 7143)]