28820043

素因数分解:

$3^5\times 7^1\times {\mathrm{16943}}^1$

素因数の和:16965

約数の個数: 24

約数和(自身を含む): 49340928

約数和(自身を除く): 20520885

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 1701, 16943, 50829, 118601, 152487, 355803, 457461, 1067409, 1372383, 3202227, 4117149, 9606681, 28820043]

約数ペア:

[(1, 28820043), (3, 9606681), (7, 4117149), (9, 3202227), (21, 1372383), (27, 1067409), (63, 457461), (81, 355803), (189, 152487), (243, 118601), (567, 50829), (1701, 16943)]