83721

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:116

約数の個数: 16

約数和(自身を含む): 126720

約数和(自身を除く): 42999

約数列:

[1, 3, 11, 33, 43, 59, 129, 177, 473, 649, 1419, 1947, 2537, 7611, 27907, 83721]

約数ペア:

[(1, 83721), (3, 27907), (11, 7611), (33, 2537), (43, 1947), (59, 1419), (129, 649), (177, 473)]