66639717

素因数分解:

$3^2\times {\mathrm{23}}^2\times {\mathrm{13997}}^1$

素因数の和:14049

約数の個数: 18

約数和(自身を含む): 100631622

約数和(自身を除く): 33991905

約数列:

[1, 3, 9, 23, 69, 207, 529, 1587, 4761, 13997, 41991, 125973, 321931, 965793, 2897379, 7404413, 22213239, 66639717]

約数ペア:

[(1, 66639717), (3, 22213239), (9, 7404413), (23, 2897379), (69, 965793), (207, 321931), (529, 125973), (1587, 41991), (4761, 13997)]