2887245

素因数分解:

$3^4\times 5^1\times {\mathrm{7129}}^1$

素因数の和:7146

約数の個数: 20

約数和(自身を含む): 5176380

約数和(自身を除く): 2289135

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 7129, 21387, 35645, 64161, 106935, 192483, 320805, 577449, 962415, 2887245]

約数ペア:

[(1, 2887245), (3, 962415), (5, 577449), (9, 320805), (15, 192483), (27, 106935), (45, 64161), (81, 35645), (135, 21387), (405, 7129)]