211823019

素因数分解:

$3^4\times {\mathrm{149}}^1\times {\mathrm{17551}}^1$

素因数の和:17712

約数の個数: 20

約数和(自身を含む): 318568800

約数和(自身を除く): 106745781

約数列:

[1, 3, 9, 27, 81, 149, 447, 1341, 4023, 12069, 17551, 52653, 157959, 473877, 1421631, 2615099, 7845297, 23535891, 70607673, 211823019]

約数ペア:

[(1, 211823019), (3, 70607673), (9, 23535891), (27, 7845297), (81, 2615099), (149, 1421631), (447, 473877), (1341, 157959), (4023, 52653), (12069, 17551)]