13916781

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{751}}^1$

素因数の和:857

約数の個数: 24

約数和(自身を含む): 21116160

約数和(自身を除く): 7199379

約数列:

[1, 3, 9, 29, 71, 87, 213, 261, 639, 751, 2059, 2253, 6177, 6759, 18531, 21779, 53321, 65337, 159963, 196011, 479889, 1546309, 4638927, 13916781]

約数ペア:

[(1, 13916781), (3, 4638927), (9, 1546309), (29, 479889), (71, 196011), (87, 159963), (213, 65337), (261, 53321), (639, 21779), (751, 18531), (2059, 6759), (2253, 6177)]