1813806837

素因数分解:

$3^4\times {\mathrm{73}}^1\times {\mathrm{306749}}^1$

素因数の和:306834

約数の個数: 20

約数和(自身を含む): 2746639500

約数和(自身を除く): 932832663

約数列:

[1, 3, 9, 27, 73, 81, 219, 657, 1971, 5913, 306749, 920247, 2760741, 8282223, 22392677, 24846669, 67178031, 201534093, 604602279, 1813806837]

約数ペア:

[(1, 1813806837), (3, 604602279), (9, 201534093), (27, 67178031), (73, 24846669), (81, 22392677), (219, 8282223), (657, 2760741), (1971, 920247), (5913, 306749)]