77140755

素因数分解:

$3^4\times 5^1\times {\mathrm{190471}}^1$

素因数の和:190488

約数の個数: 20

約数和(自身を含む): 138282672

約数和(自身を除く): 61141917

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 190471, 571413, 952355, 1714239, 2857065, 5142717, 8571195, 15428151, 25713585, 77140755]

約数ペア:

[(1, 77140755), (3, 25713585), (5, 15428151), (9, 8571195), (15, 5142717), (27, 2857065), (45, 1714239), (81, 952355), (135, 571413), (405, 190471)]