18282831

素因数分解:

$3^1\times 7^2\times {\mathrm{277}}^1\times {\mathrm{449}}^1$

素因数の和:743

約数の個数: 24

約数和(自身を含む): 28522800

約数和(自身を除く): 10239969

約数列:

[1, 3, 7, 21, 49, 147, 277, 449, 831, 1347, 1939, 3143, 5817, 9429, 13573, 22001, 40719, 66003, 124373, 373119, 870611, 2611833, 6094277, 18282831]

約数ペア:

[(1, 18282831), (3, 6094277), (7, 2611833), (21, 870611), (49, 373119), (147, 124373), (277, 66003), (449, 40719), (831, 22001), (1347, 13573), (1939, 9429), (3143, 5817)]