478611

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:191

約数の個数: 24

約数和(自身を含む): 808704

約数和(自身を除く): 330093

約数列:

[1, 3, 7, 9, 21, 63, 71, 107, 213, 321, 497, 639, 749, 963, 1491, 2247, 4473, 6741, 7597, 22791, 53179, 68373, 159537, 478611]

約数ペア:

[(1, 478611), (3, 159537), (7, 68373), (9, 53179), (21, 22791), (63, 7597), (71, 6741), (107, 4473), (213, 2247), (321, 1491), (497, 963), (639, 749)]