2017857777

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{379}}^1\times {\mathrm{647}}^1$

素因数の和:1253

約数の個数: 32

約数和(自身を含む): 2923361280

約数和(自身を除く): 905503503

約数列:

[1, 3, 13, 39, 211, 379, 633, 647, 1137, 1941, 2743, 4927, 8229, 8411, 14781, 25233, 79969, 136517, 239907, 245213, 409551, 735639, 1039597, 1774721, 3118791, 3187769, 5324163, 9563307, 51739943, 155219829, 672619259, 2017857777]

約数ペア:

[(1, 2017857777), (3, 672619259), (13, 155219829), (39, 51739943), (211, 9563307), (379, 5324163), (633, 3187769), (647, 3118791), (1137, 1774721), (1941, 1039597), (2743, 735639), (4927, 409551), (8229, 245213), (8411, 239907), (14781, 136517), (25233, 79969)]