12672009

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2833}}^1$

素因数の和:2917

約数の個数: 24

約数和(自身を含む): 21220992

約数和(自身を除く): 8548983

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 1491, 2833, 4473, 8499, 19831, 25497, 59493, 178479, 201143, 603429, 1408001, 1810287, 4224003, 12672009]

約数ペア:

[(1, 12672009), (3, 4224003), (7, 1810287), (9, 1408001), (21, 603429), (63, 201143), (71, 178479), (213, 59493), (497, 25497), (639, 19831), (1491, 8499), (2833, 4473)]