13957221

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{2657}}^1$

素因数の和:2780

約数の個数: 16

約数和(自身を含む): 19903104

約数和(自身を除く): 5945883

約数列:

[1, 3, 17, 51, 103, 309, 1751, 2657, 5253, 7971, 45169, 135507, 273671, 821013, 4652407, 13957221]

約数ペア:

[(1, 13957221), (3, 4652407), (17, 821013), (51, 273671), (103, 135507), (309, 45169), (1751, 7971), (2657, 5253)]