81215433

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{5381}}^1$

素因数の和:5446

約数の個数: 32

約数和(自身を含む): 132612480

約数和(自身を除く): 51397047

約数列:

[1, 3, 9, 13, 27, 39, 43, 117, 129, 351, 387, 559, 1161, 1677, 5031, 5381, 15093, 16143, 48429, 69953, 145287, 209859, 231383, 629577, 694149, 1888731, 2082447, 3007979, 6247341, 9023937, 27071811, 81215433]

約数ペア:

[(1, 81215433), (3, 27071811), (9, 9023937), (13, 6247341), (27, 3007979), (39, 2082447), (43, 1888731), (117, 694149), (129, 629577), (351, 231383), (387, 209859), (559, 145287), (1161, 69953), (1677, 48429), (5031, 16143), (5381, 15093)]