861362621

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{567059}}^1$

素因数の和:567104

約数の個数: 12

約数和(自身を含む): 1034317440

約数和(自身を除く): 172954819

約数列:

[1, 7, 31, 49, 217, 1519, 567059, 3969413, 17578829, 27785891, 123051803, 861362621]

約数ペア:

[(1, 861362621), (7, 123051803), (31, 27785891), (49, 17578829), (217, 3969413), (1519, 567059)]