273996933

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1\times {\mathrm{1999}}^1$

素因数の和:2177

約数の個数: 32

約数和(自身を含む): 428544000

約数和(自身を除く): 154547067

約数列:

[1, 3, 7, 21, 61, 107, 183, 321, 427, 749, 1281, 1999, 2247, 5997, 6527, 13993, 19581, 41979, 45689, 121939, 137067, 213893, 365817, 641679, 853573, 1497251, 2560719, 4491753, 13047473, 39142419, 91332311, 273996933]

約数ペア:

[(1, 273996933), (3, 91332311), (7, 39142419), (21, 13047473), (61, 4491753), (107, 2560719), (183, 1497251), (321, 853573), (427, 641679), (749, 365817), (1281, 213893), (1999, 137067), (2247, 121939), (5997, 45689), (6527, 41979), (13993, 19581)]