217794609

素因数分解:

$3^3\times {\mathrm{613}}^1\times {\mathrm{13159}}^1$

素因数の和:13781

約数の個数: 16

約数和(自身を含む): 323209600

約数和(自身を除く): 105414991

約数列:

[1, 3, 9, 27, 613, 1839, 5517, 13159, 16551, 39477, 118431, 355293, 8066467, 24199401, 72598203, 217794609]

約数ペア:

[(1, 217794609), (3, 72598203), (9, 24199401), (27, 8066467), (613, 355293), (1839, 118431), (5517, 39477), (13159, 16551)]