49280721

素因数分解:

$3^1\times 7^2\times {\mathrm{523}}^1\times {\mathrm{641}}^1$

素因数の和:1181

約数の個数: 24

約数和(自身を含む): 76701024

約数和(自身を除く): 27420303

約数列:

[1, 3, 7, 21, 49, 147, 523, 641, 1569, 1923, 3661, 4487, 10983, 13461, 25627, 31409, 76881, 94227, 335243, 1005729, 2346701, 7040103, 16426907, 49280721]

約数ペア:

[(1, 49280721), (3, 16426907), (7, 7040103), (21, 2346701), (49, 1005729), (147, 335243), (523, 94227), (641, 76881), (1569, 31409), (1923, 25627), (3661, 13461), (4487, 10983)]