2619999

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{4219}}^1$

素因数の和:4251

約数の個数: 16

約数和(自身を含む): 4051200

約数和(自身を除く): 1431201

約数列:

[1, 3, 9, 23, 27, 69, 207, 621, 4219, 12657, 37971, 97037, 113913, 291111, 873333, 2619999]

約数ペア:

[(1, 2619999), (3, 873333), (9, 291111), (23, 113913), (27, 97037), (69, 37971), (207, 12657), (621, 4219)]