81304289

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{1579}}^1$

素因数の和:1772

約数の個数: 16

約数和(自身を含む): 92221440

約数和(自身を除く): 10917151

約数列:

[1, 11, 31, 151, 341, 1579, 1661, 4681, 17369, 48949, 51491, 238429, 538439, 2622719, 7391299, 81304289]

約数ペア:

[(1, 81304289), (11, 7391299), (31, 2622719), (151, 538439), (341, 238429), (1579, 51491), (1661, 48949), (4681, 17369)]