2009013993

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1028681}}^1$

素因数の和:1028725

約数の個数: 24

約数和(自身を含む): 3423453696

約数和(自身を除く): 1414439703

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1953, 1028681, 3086043, 7200767, 9258129, 21602301, 31889111, 64806903, 95667333, 223223777, 287001999, 669671331, 2009013993]

約数ペア:

[(1, 2009013993), (3, 669671331), (7, 287001999), (9, 223223777), (21, 95667333), (31, 64806903), (63, 31889111), (93, 21602301), (217, 9258129), (279, 7200767), (651, 3086043), (1953, 1028681)]