216022221

素因数分解:

$3^4\times {\mathrm{1289}}^1\times {\mathrm{2069}}^1$

素因数の和:3370

約数の個数: 20

約数和(自身を含む): 323106300

約数和(自身を除く): 107084079

約数列:

[1, 3, 9, 27, 81, 1289, 2069, 3867, 6207, 11601, 18621, 34803, 55863, 104409, 167589, 2666941, 8000823, 24002469, 72007407, 216022221]

約数ペア:

[(1, 216022221), (3, 72007407), (9, 24002469), (27, 8000823), (81, 2666941), (1289, 167589), (2069, 104409), (3867, 55863), (6207, 34803), (11601, 18621)]