80874279

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{20563}}^1$

素因数の和:20611

約数の個数: 24

約数和(自身を含む): 128319360

約数和(自身を除く): 47445081

約数列:

[1, 3, 9, 19, 23, 57, 69, 171, 207, 437, 1311, 3933, 20563, 61689, 185067, 390697, 472949, 1172091, 1418847, 3516273, 4256541, 8986031, 26958093, 80874279]

約数ペア:

[(1, 80874279), (3, 26958093), (9, 8986031), (19, 4256541), (23, 3516273), (57, 1418847), (69, 1172091), (171, 472949), (207, 390697), (437, 185067), (1311, 61689), (3933, 20563)]