431170257

素因数分解:

$3^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{28477}}^1$

素因数の和:28597

約数の個数: 24

約数和(自身を含む): 675270336

約数和(自身を除く): 244100079

約数列:

[1, 3, 7, 21, 49, 103, 147, 309, 721, 2163, 5047, 15141, 28477, 85431, 199339, 598017, 1395373, 2933131, 4186119, 8799393, 20531917, 61595751, 143723419, 431170257]

約数ペア:

[(1, 431170257), (3, 143723419), (7, 61595751), (21, 20531917), (49, 8799393), (103, 4186119), (147, 2933131), (309, 1395373), (721, 598017), (2163, 199339), (5047, 85431), (15141, 28477)]