81856563

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{587}}^1$

素因数の和:703

約数の個数: 32

約数和(自身を含む): 119218176

約数和(自身を除く): 37361613

約数列:

[1, 3, 23, 43, 47, 69, 129, 141, 587, 989, 1081, 1761, 2021, 2967, 3243, 6063, 13501, 25241, 27589, 40503, 46483, 75723, 82767, 139449, 580543, 634547, 1186327, 1741629, 1903641, 3558981, 27285521, 81856563]

約数ペア:

[(1, 81856563), (3, 27285521), (23, 3558981), (43, 1903641), (47, 1741629), (69, 1186327), (129, 634547), (141, 580543), (587, 139449), (989, 82767), (1081, 75723), (1761, 46483), (2021, 40503), (2967, 27589), (3243, 25241), (6063, 13501)]