217966149

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{654553}}^1$

素因数の和:654596

約数の個数: 12

約数和(自身を含む): 323349676

約数和(自身を除く): 105383527

約数列:

[1, 3, 9, 37, 111, 333, 654553, 1963659, 5890977, 24218461, 72655383, 217966149]

約数ペア:

[(1, 217966149), (3, 72655383), (9, 24218461), (37, 5890977), (111, 1963659), (333, 654553)]