216359

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1$

素因数の和:130

約数の個数: 16

約数和(自身を含む): 272160

約数和(自身を除く): 55801

約数列:

[1, 11, 13, 17, 89, 143, 187, 221, 979, 1157, 1513, 2431, 12727, 16643, 19669, 216359]

約数ペア:

[(1, 216359), (11, 19669), (13, 16643), (17, 12727), (89, 2431), (143, 1513), (187, 1157), (221, 979)]