209761409

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{13709}}^1$

素因数の和:13840

約数の個数: 16

約数和(自身を含む): 248754240

約数和(自身を除く): 38992831

約数列:

[1, 11, 13, 107, 143, 1177, 1391, 13709, 15301, 150799, 178217, 1466863, 1960387, 16135493, 19069219, 209761409]

約数ペア:

[(1, 209761409), (11, 19069219), (13, 16135493), (107, 1960387), (143, 1466863), (1177, 178217), (1391, 150799), (13709, 15301)]