2211381

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{1187}}^1$

素因数の和:1222

約数の個数: 20

約数和(自身を含む): 3449952

約数和(自身を除く): 1238571

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1187, 1863, 3561, 10683, 27301, 32049, 81903, 96147, 245709, 737127, 2211381]

約数ペア:

[(1, 2211381), (3, 737127), (9, 245709), (23, 96147), (27, 81903), (69, 32049), (81, 27301), (207, 10683), (621, 3561), (1187, 1863)]