281231217

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{353}}^1\times {\mathrm{1553}}^1$

素因数の和:1934

約数の個数: 32

約数和(自身を含む): 440092800

約数和(自身を除く): 158861583

約数列:

[1, 3, 9, 19, 27, 57, 171, 353, 513, 1059, 1553, 3177, 4659, 6707, 9531, 13977, 20121, 29507, 41931, 60363, 88521, 181089, 265563, 548209, 796689, 1644627, 4933881, 10415971, 14801643, 31247913, 93743739, 281231217]

約数ペア:

[(1, 281231217), (3, 93743739), (9, 31247913), (19, 14801643), (27, 10415971), (57, 4933881), (171, 1644627), (353, 796689), (513, 548209), (1059, 265563), (1553, 181089), (3177, 88521), (4659, 60363), (6707, 41931), (9531, 29507), (13977, 20121)]