13040271

素因数分解:

$3^4\times {\mathrm{199}}^1\times {\mathrm{809}}^1$

素因数の和:1020

約数の個数: 20

約数和(自身を含む): 19602000

約数和(自身を除く): 6561729

約数列:

[1, 3, 9, 27, 81, 199, 597, 809, 1791, 2427, 5373, 7281, 16119, 21843, 65529, 160991, 482973, 1448919, 4346757, 13040271]

約数ペア:

[(1, 13040271), (3, 4346757), (9, 1448919), (27, 482973), (81, 160991), (199, 65529), (597, 21843), (809, 16119), (1791, 7281), (2427, 5373)]