290408979

素因数分解:

$3^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{142567}}^1$

素因数の和:142674

約数の個数: 16

約数和(自身を含む): 447093248

約数和(自身を除く): 156684269

約数列:

[1, 3, 7, 21, 97, 291, 679, 2037, 142567, 427701, 997969, 2993907, 13828999, 41486997, 96802993, 290408979]

約数ペア:

[(1, 290408979), (3, 96802993), (7, 41486997), (21, 13828999), (97, 2993907), (291, 997969), (679, 427701), (2037, 142567)]