2657205

素因数分解:

$3^{12}\times 5^1$

素因数の和:41

約数の個数: 26

約数和(自身を含む): 4782966

約数和(自身を除く): 2125761

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 729, 1215, 2187, 3645, 6561, 10935, 19683, 32805, 59049, 98415, 177147, 295245, 531441, 885735, 2657205]

約数ペア:

[(1, 2657205), (3, 885735), (5, 531441), (9, 295245), (15, 177147), (27, 98415), (45, 59049), (81, 32805), (135, 19683), (243, 10935), (405, 6561), (729, 3645), (1215, 2187)]