2556375

素因数分解:

$3^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{401}}^1$

素因数の和:436

約数の個数: 32

約数和(自身を含む): 4515264

約数和(自身を除く): 1958889

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 125, 255, 375, 401, 425, 1203, 1275, 2005, 2125, 6015, 6375, 6817, 10025, 20451, 30075, 34085, 50125, 102255, 150375, 170425, 511275, 852125, 2556375]

約数ペア:

[(1, 2556375), (3, 852125), (5, 511275), (15, 170425), (17, 150375), (25, 102255), (51, 50125), (75, 34085), (85, 30075), (125, 20451), (255, 10025), (375, 6817), (401, 6375), (425, 6015), (1203, 2125), (1275, 2005)]