2009392371

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{449227}}^1$

素因数の和:449311

約数の個数: 24

約数和(自身を含む): 3363819264

約数和(自身を除く): 1354426893

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 1491, 4473, 449227, 1347681, 3144589, 4043043, 9433767, 28301301, 31895117, 95685351, 223265819, 287056053, 669797457, 2009392371]

約数ペア:

[(1, 2009392371), (3, 669797457), (7, 287056053), (9, 223265819), (21, 95685351), (63, 31895117), (71, 28301301), (213, 9433767), (497, 4043043), (639, 3144589), (1491, 1347681), (4473, 449227)]