78940089

素因数分解:

$3^4\times {\mathrm{109}}^1\times {\mathrm{8941}}^1$

素因数の和:9062

約数の個数: 20

約数和(自身を含む): 119018020

約数和(自身を除く): 40077931

約数列:

[1, 3, 9, 27, 81, 109, 327, 981, 2943, 8829, 8941, 26823, 80469, 241407, 724221, 974569, 2923707, 8771121, 26313363, 78940089]

約数ペア:

[(1, 78940089), (3, 26313363), (9, 8771121), (27, 2923707), (81, 974569), (109, 724221), (327, 241407), (981, 80469), (2943, 26823), (8829, 8941)]