218428569

素因数分解:

$3^5\times {\mathrm{199}}^1\times {\mathrm{4517}}^1$

素因数の和:4731

約数の個数: 24

約数和(自身を含む): 328910400

約数和(自身を除く): 110481831

約数列:

[1, 3, 9, 27, 81, 199, 243, 597, 1791, 4517, 5373, 13551, 16119, 40653, 48357, 121959, 365877, 898883, 1097631, 2696649, 8089947, 24269841, 72809523, 218428569]

約数ペア:

[(1, 218428569), (3, 72809523), (9, 24269841), (27, 8089947), (81, 2696649), (199, 1097631), (243, 898883), (597, 365877), (1791, 121959), (4517, 48357), (5373, 40653), (13551, 16119)]