28515915

素因数分解:

$3^3\times 5^1\times {\mathrm{211229}}^1$

素因数の和:211243

約数の個数: 16

約数和(自身を含む): 50695200

約数和(自身を除く): 22179285

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 211229, 633687, 1056145, 1901061, 3168435, 5703183, 9505305, 28515915]

約数ペア:

[(1, 28515915), (3, 9505305), (5, 5703183), (9, 3168435), (15, 1901061), (27, 1056145), (45, 633687), (135, 211229)]