258156621

素因数分解:

$3^2\times {\mathrm{1667}}^1\times {\mathrm{17207}}^1$

素因数の和:18880

約数の個数: 12

約数和(自身を含む): 373138272

約数和(自身を除く): 114981651

約数列:

[1, 3, 9, 1667, 5001, 15003, 17207, 51621, 154863, 28684069, 86052207, 258156621]

約数ペア:

[(1, 258156621), (3, 86052207), (9, 28684069), (1667, 154863), (5001, 51621), (15003, 17207)]