2218821

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{947}}^1$

素因数の和:1032

約数の個数: 16

約数和(自身を含む): 3276288

約数和(自身を除く): 1057467

約数列:

[1, 3, 11, 33, 71, 213, 781, 947, 2343, 2841, 10417, 31251, 67237, 201711, 739607, 2218821]

約数ペア:

[(1, 2218821), (3, 739607), (11, 201711), (33, 67237), (71, 31251), (213, 10417), (781, 2841), (947, 2343)]