2540397

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{419}}^1$

素因数の和:512

約数の個数: 16

約数和(自身を含む): 3548160

約数和(自身を除く): 1007763

約数列:

[1, 3, 43, 47, 129, 141, 419, 1257, 2021, 6063, 18017, 19693, 54051, 59079, 846799, 2540397]

約数ペア:

[(1, 2540397), (3, 846799), (43, 59079), (47, 54051), (129, 19693), (141, 18017), (419, 6063), (1257, 2021)]