7971615

素因数分解:

$3^{13}\times 5^1$

素因数の和:44

約数の個数: 28

約数和(自身を含む): 14348904

約数和(自身を除く): 6377289

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, 1594323, 2657205, 7971615]

約数ペア:

[(1, 7971615), (3, 2657205), (5, 1594323), (9, 885735), (15, 531441), (27, 295245), (45, 177147), (81, 98415), (135, 59049), (243, 32805), (405, 19683), (729, 10935), (1215, 6561), (2187, 3645)]