28137075

素因数分解:

$3^1\times 5^2\times {\mathrm{139}}^1\times {\mathrm{2699}}^1$

素因数の和:2851

約数の個数: 24

約数和(自身を含む): 46872000

約数和(自身を除く): 18734925

約数列:

[1, 3, 5, 15, 25, 75, 139, 417, 695, 2085, 2699, 3475, 8097, 10425, 13495, 40485, 67475, 202425, 375161, 1125483, 1875805, 5627415, 9379025, 28137075]

約数ペア:

[(1, 28137075), (3, 9379025), (5, 5627415), (15, 1875805), (25, 1125483), (75, 375161), (139, 202425), (417, 67475), (695, 40485), (2085, 13495), (2699, 10425), (3475, 8097)]