81335499

素因数分解:

$3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{30497}}^1$

素因数の和:30634

約数の個数: 16

約数和(自身を含む): 124919808

約数和(自身を除く): 43584309

約数列:

[1, 3, 7, 21, 127, 381, 889, 2667, 30497, 91491, 213479, 640437, 3873119, 11619357, 27111833, 81335499]

約数ペア:

[(1, 81335499), (3, 27111833), (7, 11619357), (21, 3873119), (127, 640437), (381, 213479), (889, 91491), (2667, 30497)]