51149721

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{78571}}^1$

素因数の和:78612

約数の個数: 16

約数和(自身を含む): 80457728

約数和(自身を除く): 29308007

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 78571, 235713, 549997, 1649991, 2435701, 7307103, 17049907, 51149721]

約数ペア:

[(1, 51149721), (3, 17049907), (7, 7307103), (21, 2435701), (31, 1649991), (93, 549997), (217, 235713), (651, 78571)]