81217345

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{5449}}^1$

素因数の和:5736

約数の個数: 16

約数和(自身を含む): 106732800

約数和(自身を除く): 25515455

約数列:

[1, 5, 11, 55, 271, 1355, 2981, 5449, 14905, 27245, 59939, 299695, 1476679, 7383395, 16243469, 81217345]

約数ペア:

[(1, 81217345), (5, 16243469), (11, 7383395), (55, 1476679), (271, 299695), (1355, 59939), (2981, 27245), (5449, 14905)]