13506213

素因数分解:

$3^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{661}}^1$

素因数の和:817

約数の個数: 24

約数和(自身を含む): 21131040

約数和(自身を除く): 7624827

約数列:

[1, 3, 7, 21, 49, 139, 147, 417, 661, 973, 1983, 2919, 4627, 6811, 13881, 20433, 32389, 91879, 97167, 275637, 643153, 1929459, 4502071, 13506213]

約数ペア:

[(1, 13506213), (3, 4502071), (7, 1929459), (21, 643153), (49, 275637), (139, 97167), (147, 91879), (417, 32389), (661, 20433), (973, 13881), (1983, 6811), (2919, 4627)]