209955967

素因数分解:

${\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{73079}}^1$

素因数の和:73122

約数の個数: 12

約数和(自身を含む): 240725520

約数和(自身を除く): 30769553

約数列:

[1, 13, 17, 169, 221, 2873, 73079, 950027, 1242343, 12350351, 16150459, 209955967]

約数ペア:

[(1, 209955967), (13, 16150459), (17, 12350351), (169, 1242343), (221, 950027), (2873, 73079)]