21270303

素因数分解:

$3^3\times {\mathrm{641}}^1\times {\mathrm{1229}}^1$

素因数の和:1879

約数の個数: 16

約数和(自身を含む): 31586400

約数和(自身を除く): 10316097

約数列:

[1, 3, 9, 27, 641, 1229, 1923, 3687, 5769, 11061, 17307, 33183, 787789, 2363367, 7090101, 21270303]

約数ペア:

[(1, 21270303), (3, 7090101), (9, 2363367), (27, 787789), (641, 33183), (1229, 17307), (1923, 11061), (3687, 5769)]