1810893

素因数分解:

$3^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{127}}^1$

素因数の和:241

約数の個数: 24

約数和(自身を含む): 2860032

約数和(自身を除く): 1049139

約数列:

[1, 3, 7, 21, 49, 97, 127, 147, 291, 381, 679, 889, 2037, 2667, 4753, 6223, 12319, 14259, 18669, 36957, 86233, 258699, 603631, 1810893]

約数ペア:

[(1, 1810893), (3, 603631), (7, 258699), (21, 86233), (49, 36957), (97, 18669), (127, 14259), (147, 12319), (291, 6223), (381, 4753), (679, 2667), (889, 2037)]