11820009

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{211}}^1\times {\mathrm{263}}^1$

素因数の和:548

約数の個数: 16

約数和(自身を含む): 16118784

約数和(自身を除く): 4298775

約数列:

[1, 3, 71, 211, 213, 263, 633, 789, 14981, 18673, 44943, 55493, 56019, 166479, 3940003, 11820009]

約数ペア:

[(1, 11820009), (3, 3940003), (71, 166479), (211, 56019), (213, 55493), (263, 44943), (633, 18673), (789, 14981)]