221314457

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{6451}}^1$

素因数の和:6513

約数の個数: 24

約数和(自身を含む): 283371840

約数和(自身を除く): 62057383

約数列:

[1, 7, 13, 29, 91, 169, 203, 377, 1183, 2639, 4901, 6451, 34307, 45157, 83863, 187079, 587041, 1090219, 1309553, 2432027, 7631533, 17024189, 31616351, 221314457]

約数ペア:

[(1, 221314457), (7, 31616351), (13, 17024189), (29, 7631533), (91, 2432027), (169, 1309553), (203, 1090219), (377, 587041), (1183, 187079), (2639, 83863), (4901, 45157), (6451, 34307)]