18702279

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{193}}^1$

素因数の和:336

約数の個数: 32

約数和(自身を含む): 28898240

約数和(自身を除く): 10195961

約数列:

[1, 3, 9, 27, 37, 97, 111, 193, 291, 333, 579, 873, 999, 1737, 2619, 3589, 5211, 7141, 10767, 18721, 21423, 32301, 56163, 64269, 96903, 168489, 192807, 505467, 692677, 2078031, 6234093, 18702279]

約数ペア:

[(1, 18702279), (3, 6234093), (9, 2078031), (27, 692677), (37, 505467), (97, 192807), (111, 168489), (193, 96903), (291, 64269), (333, 56163), (579, 32301), (873, 21423), (999, 18721), (1737, 10767), (2619, 7141), (3589, 5211)]