28571805

素因数分解:

$3^3\times 5^1\times {\mathrm{211643}}^1$

素因数の和:211657

約数の個数: 16

約数和(自身を含む): 50794560

約数和(自身を除く): 22222755

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 211643, 634929, 1058215, 1904787, 3174645, 5714361, 9523935, 28571805]

約数ペア:

[(1, 28571805), (3, 9523935), (5, 5714361), (9, 3174645), (15, 1904787), (27, 1058215), (45, 634929), (135, 211643)]