1280839221

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{571}}^1\times {\mathrm{6079}}^1$

素因数の和:6697

約数の個数: 24

約数和(自身を含む): 1898856960

約数和(自身を除く): 618017739

約数列:

[1, 3, 9, 41, 123, 369, 571, 1713, 5139, 6079, 18237, 23411, 54711, 70233, 210699, 249239, 747717, 2243151, 3471109, 10413327, 31239981, 142315469, 426946407, 1280839221]

約数ペア:

[(1, 1280839221), (3, 426946407), (9, 142315469), (41, 31239981), (123, 10413327), (369, 3471109), (571, 2243151), (1713, 747717), (5139, 249239), (6079, 210699), (18237, 70233), (23411, 54711)]