219097791

素因数分解:

$3^5\times {\mathrm{11}}^1\times {\mathrm{81967}}^1$

素因数の和:81993

約数の個数: 24

約数和(自身を含む): 358036224

約数和(自身を除く): 138938433

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 243, 297, 891, 2673, 81967, 245901, 737703, 901637, 2213109, 2704911, 6639327, 8114733, 19917981, 24344199, 73032597, 219097791]

約数ペア:

[(1, 219097791), (3, 73032597), (9, 24344199), (11, 19917981), (27, 8114733), (33, 6639327), (81, 2704911), (99, 2213109), (243, 901637), (297, 737703), (891, 245901), (2673, 81967)]