1296631881

素因数分解:

$3^4\times {\mathrm{1697}}^1\times {\mathrm{9433}}^1$

素因数の和:11142

約数の個数: 20

約数和(自身を含む): 1938290772

約数和(自身を除く): 641658891

約数列:

[1, 3, 9, 27, 81, 1697, 5091, 9433, 15273, 28299, 45819, 84897, 137457, 254691, 764073, 16007801, 48023403, 144070209, 432210627, 1296631881]

約数ペア:

[(1, 1296631881), (3, 432210627), (9, 144070209), (27, 48023403), (81, 16007801), (1697, 764073), (5091, 254691), (9433, 137457), (15273, 84897), (28299, 45819)]