210937689

素因数分解:

$3^4\times {\mathrm{173}}^1\times {\mathrm{15053}}^1$

素因数の和:15238

約数の個数: 20

約数和(自身を含む): 316946916

約数和(自身を除く): 106009227

約数列:

[1, 3, 9, 27, 81, 173, 519, 1557, 4671, 14013, 15053, 45159, 135477, 406431, 1219293, 2604169, 7812507, 23437521, 70312563, 210937689]

約数ペア:

[(1, 210937689), (3, 70312563), (9, 23437521), (27, 7812507), (81, 2604169), (173, 1219293), (519, 406431), (1557, 135477), (4671, 45159), (14013, 15053)]