19973115

素因数分解:

$3^3\times 5^1\times {\mathrm{147949}}^1$

素因数の和:147963

約数の個数: 16

約数和(自身を含む): 35508000

約数和(自身を除く): 15534885

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 147949, 443847, 739745, 1331541, 2219235, 3994623, 6657705, 19973115]

約数ペア:

[(1, 19973115), (3, 6657705), (5, 3994623), (9, 2219235), (15, 1331541), (27, 739745), (45, 443847), (135, 147949)]