208011105

素因数分解:

$3^3\times 5^1\times {\mathrm{1540823}}^1$

素因数の和:1540837

約数の個数: 16

約数和(自身を含む): 369797760

約数和(自身を除く): 161786655

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 1540823, 4622469, 7704115, 13867407, 23112345, 41602221, 69337035, 208011105]

約数ペア:

[(1, 208011105), (3, 69337035), (5, 41602221), (9, 23112345), (15, 13867407), (27, 7704115), (45, 4622469), (135, 1540823)]