13939079

素因数分解:

$7^2\times {\mathrm{11}}^2\times {\mathrm{2351}}^1$

素因数の和:2387

約数の個数: 18

約数和(自身を含む): 17830512

約数和(自身を除く): 3891433

約数列:

[1, 7, 11, 49, 77, 121, 539, 847, 2351, 5929, 16457, 25861, 115199, 181027, 284471, 1267189, 1991297, 13939079]

約数ペア:

[(1, 13939079), (7, 1991297), (11, 1267189), (49, 284471), (77, 181027), (121, 115199), (539, 25861), (847, 16457), (2351, 5929)]