67680963

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{15131}}^1$

素因数の和:15215

約数の個数: 24

約数和(自身を含む): 113308416

約数和(自身を除く): 45627453

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 1491, 4473, 15131, 45393, 105917, 136179, 317751, 953253, 1074301, 3222903, 7520107, 9668709, 22560321, 67680963]

約数ペア:

[(1, 67680963), (3, 22560321), (7, 9668709), (9, 7520107), (21, 3222903), (63, 1074301), (71, 953253), (213, 317751), (497, 136179), (639, 105917), (1491, 45393), (4473, 15131)]