2878281

素因数分解:

$3^3\times 7^1\times {\mathrm{97}}^1\times {\mathrm{157}}^1$

素因数の和:270

約数の個数: 32

約数和(自身を含む): 4954880

約数和(自身を除く): 2076599

約数列:

[1, 3, 7, 9, 21, 27, 63, 97, 157, 189, 291, 471, 679, 873, 1099, 1413, 2037, 2619, 3297, 4239, 6111, 9891, 15229, 18333, 29673, 45687, 106603, 137061, 319809, 411183, 959427, 2878281]

約数ペア:

[(1, 2878281), (3, 959427), (7, 411183), (9, 319809), (21, 137061), (27, 106603), (63, 45687), (97, 29673), (157, 18333), (189, 15229), (291, 9891), (471, 6111), (679, 4239), (873, 3297), (1099, 2619), (1413, 2037)]