47990817

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{10729}}^1$

素因数の和:10813

約数の個数: 24

約数和(自身を含む): 80346240

約数和(自身を除く): 32355423

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 1491, 4473, 10729, 32187, 75103, 96561, 225309, 675927, 761759, 2285277, 5332313, 6855831, 15996939, 47990817]

約数ペア:

[(1, 47990817), (3, 15996939), (7, 6855831), (9, 5332313), (21, 2285277), (63, 761759), (71, 675927), (213, 225309), (497, 96561), (639, 75103), (1491, 32187), (4473, 10729)]