20199105

素因数分解:

$3^3\times 5^1\times {\mathrm{149623}}^1$

素因数の和:149637

約数の個数: 16

約数和(自身を含む): 35909760

約数和(自身を除く): 15710655

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 149623, 448869, 748115, 1346607, 2244345, 4039821, 6733035, 20199105]

約数ペア:

[(1, 20199105), (3, 6733035), (5, 4039821), (9, 2244345), (15, 1346607), (27, 748115), (45, 448869), (135, 149623)]