13653213

素因数分解:

$3^1\times 7^2\times {\mathrm{131}}^1\times {\mathrm{709}}^1$

素因数の和:857

約数の個数: 24

約数和(自身を含む): 21368160

約数和(自身を除く): 7714947

約数列:

[1, 3, 7, 21, 49, 131, 147, 393, 709, 917, 2127, 2751, 4963, 6419, 14889, 19257, 34741, 92879, 104223, 278637, 650153, 1950459, 4551071, 13653213]

約数ペア:

[(1, 13653213), (3, 4551071), (7, 1950459), (21, 650153), (49, 278637), (131, 104223), (147, 92879), (393, 34741), (709, 19257), (917, 14889), (2127, 6419), (2751, 4963)]