28949787

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{2143}}^1$

素因数の和:2247

約数の個数: 24

約数和(自身を含む): 44595200

約数和(自身を除く): 15645413

約数列:

[1, 3, 9, 19, 57, 79, 171, 237, 711, 1501, 2143, 4503, 6429, 13509, 19287, 40717, 122151, 169297, 366453, 507891, 1523673, 3216643, 9649929, 28949787]

約数ペア:

[(1, 28949787), (3, 9649929), (9, 3216643), (19, 1523673), (57, 507891), (79, 366453), (171, 169297), (237, 122151), (711, 40717), (1501, 19287), (2143, 13509), (4503, 6429)]