213510011

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{78583}}^1$

素因数の和:78626

約数の個数: 16

約数和(自身を含む): 264042240

約数和(自身を除く): 50532229

約数列:

[1, 11, 13, 19, 143, 209, 247, 2717, 78583, 864413, 1021579, 1493077, 11237369, 16423847, 19410001, 213510011]

約数ペア:

[(1, 213510011), (11, 19410001), (13, 16423847), (19, 11237369), (143, 1493077), (209, 1021579), (247, 864413), (2717, 78583)]