11421891

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{10847}}^1$

素因数の和:10872

約数の個数: 20

約数和(自身を含む): 18376512

約数和(自身を除く): 6954621

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 10847, 32541, 97623, 141011, 292869, 423033, 878607, 1269099, 3807297, 11421891]

約数ペア:

[(1, 11421891), (3, 3807297), (9, 1269099), (13, 878607), (27, 423033), (39, 292869), (81, 141011), (117, 97623), (351, 32541), (1053, 10847)]