1218021

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1871}}^1$

素因数の和:1912

約数の個数: 16

約数和(自身を含む): 1916928

約数和(自身を除く): 698907

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 1871, 5613, 13097, 39291, 58001, 174003, 406007, 1218021]

約数ペア:

[(1, 1218021), (3, 406007), (7, 174003), (21, 58001), (31, 39291), (93, 13097), (217, 5613), (651, 1871)]