28501575

素因数分解:

$3^1\times 5^2\times {\mathrm{293}}^1\times {\mathrm{1297}}^1$

素因数の和:1603

約数の個数: 24

約数和(自身を含む): 47319888

約数和(自身を除く): 18818313

約数列:

[1, 3, 5, 15, 25, 75, 293, 879, 1297, 1465, 3891, 4395, 6485, 7325, 19455, 21975, 32425, 97275, 380021, 1140063, 1900105, 5700315, 9500525, 28501575]

約数ペア:

[(1, 28501575), (3, 9500525), (5, 5700315), (15, 1900105), (25, 1140063), (75, 380021), (293, 97275), (879, 32425), (1297, 21975), (1465, 19455), (3891, 7325), (4395, 6485)]