221859

素因数分解:

$3^5\times {\mathrm{11}}^1\times {\mathrm{83}}^1$

素因数の和:109

約数の個数: 24

約数和(自身を含む): 366912

約数和(自身を除く): 145053

約数列:

[1, 3, 9, 11, 27, 33, 81, 83, 99, 243, 249, 297, 747, 891, 913, 2241, 2673, 2739, 6723, 8217, 20169, 24651, 73953, 221859]

約数ペア:

[(1, 221859), (3, 73953), (9, 24651), (11, 20169), (27, 8217), (33, 6723), (81, 2739), (83, 2673), (99, 2241), (243, 913), (249, 891), (297, 747)]