247987107

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{9733}}^1$

素因数の和:9907

約数の個数: 24

約数和(自身を含む): 379626000

約数和(自身を除く): 131638893

約数列:

[1, 3, 9, 19, 57, 149, 171, 447, 1341, 2831, 8493, 9733, 25479, 29199, 87597, 184927, 554781, 1450217, 1664343, 4350651, 13051953, 27554123, 82662369, 247987107]

約数ペア:

[(1, 247987107), (3, 82662369), (9, 27554123), (19, 13051953), (57, 4350651), (149, 1664343), (171, 1450217), (447, 554781), (1341, 184927), (2831, 87597), (8493, 29199), (9733, 25479)]