218921373

素因数分解:

$3^5\times {\mathrm{11}}^1\times {\mathrm{81901}}^1$

素因数の和:81927

約数の個数: 24

約数和(自身を含む): 357747936

約数和(自身を除く): 138826563

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 243, 297, 891, 2673, 81901, 245703, 737109, 900911, 2211327, 2702733, 6633981, 8108199, 19901943, 24324597, 72973791, 218921373]

約数ペア:

[(1, 218921373), (3, 72973791), (9, 24324597), (11, 19901943), (27, 8108199), (33, 6633981), (81, 2702733), (99, 2211327), (243, 900911), (297, 737109), (891, 245703), (2673, 81901)]