11861721

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{6367}}^1$

素因数の和:6402

約数の個数: 20

約数和(自身を含む): 18492672

約数和(自身を除く): 6630951

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 6367, 19101, 57303, 146441, 171909, 439323, 515727, 1317969, 3953907, 11861721]

約数ペア:

[(1, 11861721), (3, 3953907), (9, 1317969), (23, 515727), (27, 439323), (69, 171909), (81, 146441), (207, 57303), (621, 19101), (1863, 6367)]