2801085

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{103}}^1$

素因数の和:162

約数の個数: 48

約数和(自身を含む): 5406336

約数和(自身を除く): 2605251

約数列:

[1, 3, 5, 7, 15, 21, 35, 37, 49, 103, 105, 111, 147, 185, 245, 259, 309, 515, 555, 721, 735, 777, 1295, 1545, 1813, 2163, 3605, 3811, 3885, 5047, 5439, 9065, 10815, 11433, 15141, 19055, 25235, 26677, 27195, 57165, 75705, 80031, 133385, 186739, 400155, 560217, 933695, 2801085]

約数ペア:

[(1, 2801085), (3, 933695), (5, 560217), (7, 400155), (15, 186739), (21, 133385), (35, 80031), (37, 75705), (49, 57165), (103, 27195), (105, 26677), (111, 25235), (147, 19055), (185, 15141), (245, 11433), (259, 10815), (309, 9065), (515, 5439), (555, 5047), (721, 3885), (735, 3811), (777, 3605), (1295, 2163), (1545, 1813)]