13243779

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1889}}^1$

素因数の和:1955

約数の個数: 24

約数和(自身を含む): 20638800

約数和(自身を除く): 7395021

約数列:

[1, 3, 9, 19, 41, 57, 123, 171, 369, 779, 1889, 2337, 5667, 7011, 17001, 35891, 77449, 107673, 232347, 323019, 697041, 1471531, 4414593, 13243779]

約数ペア:

[(1, 13243779), (3, 4414593), (9, 1471531), (19, 697041), (41, 323019), (57, 232347), (123, 107673), (171, 77449), (369, 35891), (779, 17001), (1889, 7011), (2337, 5667)]