81190425

素因数分解:

$3^1\times 5^2\times {\mathrm{449}}^1\times {\mathrm{2411}}^1$

素因数の和:2873

約数の個数: 24

約数和(自身を含む): 134589600

約数和(自身を除く): 53399175

約数列:

[1, 3, 5, 15, 25, 75, 449, 1347, 2245, 2411, 6735, 7233, 11225, 12055, 33675, 36165, 60275, 180825, 1082539, 3247617, 5412695, 16238085, 27063475, 81190425]

約数ペア:

[(1, 81190425), (3, 27063475), (5, 16238085), (15, 5412695), (25, 3247617), (75, 1082539), (449, 180825), (1347, 60275), (2245, 36165), (2411, 33675), (6735, 12055), (7233, 11225)]