31277259

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{9901}}^1$

素因数の和:9929

約数の個数: 24

約数和(自身を含む): 50460592

約数和(自身を除く): 19183333

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 243, 351, 1053, 3159, 9901, 29703, 89109, 128713, 267327, 386139, 801981, 1158417, 2405943, 3475251, 10425753, 31277259]

約数ペア:

[(1, 31277259), (3, 10425753), (9, 3475251), (13, 2405943), (27, 1158417), (39, 801981), (81, 386139), (117, 267327), (243, 128713), (351, 89109), (1053, 29703), (3159, 9901)]