13978143

素因数分解:

$3^3\times {\mathrm{67}}^1\times {\mathrm{7727}}^1$

素因数の和:7803

約数の個数: 16

約数和(自身を含む): 21020160

約数和(自身を除く): 7042017

約数列:

[1, 3, 9, 27, 67, 201, 603, 1809, 7727, 23181, 69543, 208629, 517709, 1553127, 4659381, 13978143]

約数ペア:

[(1, 13978143), (3, 4659381), (9, 1553127), (27, 517709), (67, 208629), (201, 69543), (603, 23181), (1809, 7727)]