12221199

素因数分解:

$3^5\times {\mathrm{19}}^1\times {\mathrm{2647}}^1$

素因数の和:2681

約数の個数: 24

約数和(自身を含む): 19277440

約数和(自身を除く): 7056241

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 243, 513, 1539, 2647, 4617, 7941, 23823, 50293, 71469, 150879, 214407, 452637, 643221, 1357911, 4073733, 12221199]

約数ペア:

[(1, 12221199), (3, 4073733), (9, 1357911), (19, 643221), (27, 452637), (57, 214407), (81, 150879), (171, 71469), (243, 50293), (513, 23823), (1539, 7941), (2647, 4617)]