211272885

素因数分解:

$3^2\times 5^1\times {\mathrm{557}}^1\times {\mathrm{8429}}^1$

素因数の和:8997

約数の個数: 24

約数和(自身を含む): 366907320

約数和(自身を除く): 155634435

約数列:

[1, 3, 5, 9, 15, 45, 557, 1671, 2785, 5013, 8355, 8429, 25065, 25287, 42145, 75861, 126435, 379305, 4694953, 14084859, 23474765, 42254577, 70424295, 211272885]

約数ペア:

[(1, 211272885), (3, 70424295), (5, 42254577), (9, 23474765), (15, 14084859), (45, 4694953), (557, 379305), (1671, 126435), (2785, 75861), (5013, 42145), (8355, 25287), (8429, 25065)]