71789277

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{179923}}^1$

素因数の和:179952

約数の個数: 16

約数和(自身を含む): 115151360

約数和(自身を除く): 43362083

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 179923, 539769, 1259461, 3418537, 3778383, 10255611, 23929759, 71789277]

約数ペア:

[(1, 71789277), (3, 23929759), (7, 10255611), (19, 3778383), (21, 3418537), (57, 1259461), (133, 539769), (399, 179923)]