13390881

素因数分解:

$3^1\times 7^1\times {\mathrm{601}}^1\times {\mathrm{1061}}^1$

素因数の和:1672

約数の個数: 16

約数和(自身を含む): 20458368

約数和(自身を除く): 7067487

約数列:

[1, 3, 7, 21, 601, 1061, 1803, 3183, 4207, 7427, 12621, 22281, 637661, 1912983, 4463627, 13390881]

約数ペア:

[(1, 13390881), (3, 4463627), (7, 1912983), (21, 637661), (601, 22281), (1061, 12621), (1803, 7427), (3183, 4207)]