2005047

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:220

約数の個数: 32

約数和(自身を含む): 3336960

約数和(自身を除く): 1331913

約数列:

[1, 3, 9, 11, 27, 33, 43, 99, 129, 157, 297, 387, 471, 473, 1161, 1413, 1419, 1727, 4239, 4257, 5181, 6751, 12771, 15543, 20253, 46629, 60759, 74261, 182277, 222783, 668349, 2005047]

約数ペア:

[(1, 2005047), (3, 668349), (9, 222783), (11, 182277), (27, 74261), (33, 60759), (43, 46629), (99, 20253), (129, 15543), (157, 12771), (297, 6751), (387, 5181), (471, 4257), (473, 4239), (1161, 1727), (1413, 1419)]