28257345

素因数分解:

$3^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{5557}}^1$

素因数の和:5681

約数の個数: 24

約数和(自身を含む): 49421736

約数和(自身を除く): 21164391

約数列:

[1, 3, 5, 9, 15, 45, 113, 339, 565, 1017, 1695, 5085, 5557, 16671, 27785, 50013, 83355, 250065, 627941, 1883823, 3139705, 5651469, 9419115, 28257345]

約数ペア:

[(1, 28257345), (3, 9419115), (5, 5651469), (9, 3139705), (15, 1883823), (45, 627941), (113, 250065), (339, 83355), (565, 50013), (1017, 27785), (1695, 16671), (5085, 5557)]