2647161

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{2971}}^1$

素因数の和:2994

約数の個数: 20

約数和(自身を含む): 4315344

約数和(自身を除く): 1668183

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 2971, 8913, 26739, 32681, 80217, 98043, 240651, 294129, 882387, 2647161]

約数ペア:

[(1, 2647161), (3, 882387), (9, 294129), (11, 240651), (27, 98043), (33, 80217), (81, 32681), (99, 26739), (297, 8913), (891, 2971)]