217563417

素因数分解:

$3^2\times {\mathrm{23}}^2\times {\mathrm{45697}}^1$

素因数の和:45749

約数の個数: 18

約数和(自身を含む): 328522922

約数和(自身を除く): 110959505

約数列:

[1, 3, 9, 23, 69, 207, 529, 1587, 4761, 45697, 137091, 411273, 1051031, 3153093, 9459279, 24173713, 72521139, 217563417]

約数ペア:

[(1, 217563417), (3, 72521139), (9, 24173713), (23, 9459279), (69, 3153093), (207, 1051031), (529, 411273), (1587, 137091), (4761, 45697)]