190711809

素因数分解:

$3^2\times {\mathrm{137}}^2\times {\mathrm{1129}}^1$

素因数の和:1409

約数の個数: 18

約数和(自身を含む): 277743830

約数和(自身を除く): 87032021

約数列:

[1, 3, 9, 137, 411, 1129, 1233, 3387, 10161, 18769, 56307, 154673, 168921, 464019, 1392057, 21190201, 63570603, 190711809]

約数ペア:

[(1, 190711809), (3, 63570603), (9, 21190201), (137, 1392057), (411, 464019), (1129, 168921), (1233, 154673), (3387, 56307), (10161, 18769)]