28680345

素因数分解:

$3^3\times 5^1\times {\mathrm{212447}}^1$

素因数の和:212461

約数の個数: 16

約数和(自身を含む): 50987520

約数和(自身を除く): 22307175

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 212447, 637341, 1062235, 1912023, 3186705, 5736069, 9560115, 28680345]

約数ペア:

[(1, 28680345), (3, 9560115), (5, 5736069), (9, 3186705), (15, 1912023), (27, 1062235), (45, 637341), (135, 212447)]