39181815

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{20249}}^1$

素因数の和:20303

約数の個数: 24

約数和(自身を含む): 69498000

約数和(自身を除く): 30316185

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 20249, 60747, 101245, 182241, 303735, 870707, 911205, 2612121, 4353535, 7836363, 13060605, 39181815]

約数ペア:

[(1, 39181815), (3, 13060605), (5, 7836363), (9, 4353535), (15, 2612121), (43, 911205), (45, 870707), (129, 303735), (215, 182241), (387, 101245), (645, 60747), (1935, 20249)]