2663991

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{379}}^1$

素因数の和:467

約数の個数: 24

約数和(自身を含む): 4268160

約数和(自身を除く): 1604169

約数列:

[1, 3, 9, 11, 33, 71, 99, 213, 379, 639, 781, 1137, 2343, 3411, 4169, 7029, 12507, 26909, 37521, 80727, 242181, 295999, 887997, 2663991]

約数ペア:

[(1, 2663991), (3, 887997), (9, 295999), (11, 242181), (33, 80727), (71, 37521), (99, 26909), (213, 12507), (379, 7029), (639, 4169), (781, 3411), (1137, 2343)]