80115903

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{17911}}^1$

素因数の和:17995

約数の個数: 24

約数和(自身を含む): 134125056

約数和(自身を除く): 54009153

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 1491, 4473, 17911, 53733, 125377, 161199, 376131, 1128393, 1271681, 3815043, 8901767, 11445129, 26705301, 80115903]

約数ペア:

[(1, 80115903), (3, 26705301), (7, 11445129), (9, 8901767), (21, 3815043), (63, 1271681), (71, 1128393), (213, 376131), (497, 161199), (639, 125377), (1491, 53733), (4473, 17911)]