251019927

素因数分解:

$3^2\times {\mathrm{31}}^2\times {\mathrm{29023}}^1$

素因数の和:29091

約数の個数: 18

約数和(自身を含む): 374670816

約数和(自身を除く): 123650889

約数列:

[1, 3, 9, 31, 93, 279, 961, 2883, 8649, 29023, 87069, 261207, 899713, 2699139, 8097417, 27891103, 83673309, 251019927]

約数ペア:

[(1, 251019927), (3, 83673309), (9, 27891103), (31, 8097417), (93, 2699139), (279, 899713), (961, 261207), (2883, 87069), (8649, 29023)]