280078701

素因数分解:

$3^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{32609}}^1$

素因数の和:33028

約数の個数: 16

約数和(自身を含む): 427843200

約数和(自身を除く): 147764499

約数列:

[1, 3, 7, 21, 409, 1227, 2863, 8589, 32609, 97827, 228263, 684789, 13337081, 40011243, 93359567, 280078701]

約数ペア:

[(1, 280078701), (3, 93359567), (7, 40011243), (21, 13337081), (409, 684789), (1227, 228263), (2863, 97827), (8589, 32609)]