12540987

素因数分解:

$3^6\times {\mathrm{17203}}^1$

素因数の和:17221

約数の個数: 14

約数和(自身を含む): 18803972

約数和(自身を除く): 6262985

約数列:

[1, 3, 9, 27, 81, 243, 729, 17203, 51609, 154827, 464481, 1393443, 4180329, 12540987]

約数ペア:

[(1, 12540987), (3, 4180329), (9, 1393443), (27, 464481), (81, 154827), (243, 51609), (729, 17203)]