28055835

素因数分解:

$3^3\times 5^1\times {\mathrm{207821}}^1$

素因数の和:207835

約数の個数: 16

約数和(自身を含む): 49877280

約数和(自身を除く): 21821445

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 207821, 623463, 1039105, 1870389, 3117315, 5611167, 9351945, 28055835]

約数ペア:

[(1, 28055835), (3, 9351945), (5, 5611167), (9, 3117315), (15, 1870389), (27, 1039105), (45, 623463), (135, 207821)]