18213069

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{3001}}^1$

素因数の和:3045

約数の個数: 24

約数和(自身を含む): 29491648

約数和(自身を除く): 11278579

約数列:

[1, 3, 7, 17, 21, 51, 119, 289, 357, 867, 2023, 3001, 6069, 9003, 21007, 51017, 63021, 153051, 357119, 867289, 1071357, 2601867, 6071023, 18213069]

約数ペア:

[(1, 18213069), (3, 6071023), (7, 2601867), (17, 1071357), (21, 867289), (51, 357119), (119, 153051), (289, 63021), (357, 51017), (867, 21007), (2023, 9003), (3001, 6069)]