13216581

素因数分解:

$3^3\times 7^1\times {\mathrm{69929}}^1$

素因数の和:69945

約数の個数: 16

約数和(自身を含む): 22377600

約数和(自身を除く): 9161019

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 69929, 209787, 489503, 629361, 1468509, 1888083, 4405527, 13216581]

約数ペア:

[(1, 13216581), (3, 4405527), (7, 1888083), (9, 1468509), (21, 629361), (27, 489503), (63, 209787), (189, 69929)]