28728999

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{27283}}^1$

素因数の和:27308

約数の個数: 20

約数和(自身を含む): 46219096

約数和(自身を除く): 17490097

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 27283, 81849, 245547, 354679, 736641, 1064037, 2209923, 3192111, 9576333, 28728999]

約数ペア:

[(1, 28728999), (3, 9576333), (9, 3192111), (13, 2209923), (27, 1064037), (39, 736641), (81, 354679), (117, 245547), (351, 81849), (1053, 27283)]