280982691

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{258019}}^1$

素因数の和:258047

約数の個数: 18

約数和(自身を含む): 446116580

約数和(自身を除く): 165133889

約数列:

[1, 3, 9, 11, 33, 99, 121, 363, 1089, 258019, 774057, 2322171, 2838209, 8514627, 25543881, 31220299, 93660897, 280982691]

約数ペア:

[(1, 280982691), (3, 93660897), (9, 31220299), (11, 25543881), (33, 8514627), (99, 2838209), (121, 2322171), (363, 774057), (1089, 258019)]