15209289

素因数分解:

$3^4\times {\mathrm{103}}^1\times {\mathrm{1823}}^1$

素因数の和:1938

約数の個数: 20

約数和(自身を含む): 22953216

約数和(自身を除く): 7743927

約数列:

[1, 3, 9, 27, 81, 103, 309, 927, 1823, 2781, 5469, 8343, 16407, 49221, 147663, 187769, 563307, 1689921, 5069763, 15209289]

約数ペア:

[(1, 15209289), (3, 5069763), (9, 1689921), (27, 563307), (81, 187769), (103, 147663), (309, 49221), (927, 16407), (1823, 8343), (2781, 5469)]