21612663

素因数分解:

$3^6\times {\mathrm{23}}^1\times {\mathrm{1289}}^1$

素因数の和:1330

約数の個数: 28

約数和(自身を含む): 33839280

約数和(自身を除く): 12226617

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 243, 621, 729, 1289, 1863, 3867, 5589, 11601, 16767, 29647, 34803, 88941, 104409, 266823, 313227, 800469, 939681, 2401407, 7204221, 21612663]

約数ペア:

[(1, 21612663), (3, 7204221), (9, 2401407), (23, 939681), (27, 800469), (69, 313227), (81, 266823), (207, 104409), (243, 88941), (621, 34803), (729, 29647), (1289, 16767), (1863, 11601), (3867, 5589)]