81656805

素因数分解:

$3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{49943}}^1$

素因数の和:50060

約数の個数: 16

約数和(自身を含む): 131852160

約数和(自身を除く): 50195355

約数列:

[1, 3, 5, 15, 109, 327, 545, 1635, 49943, 149829, 249715, 749145, 5443787, 16331361, 27218935, 81656805]

約数ペア:

[(1, 81656805), (3, 27218935), (5, 16331361), (15, 5443787), (109, 749145), (327, 249715), (545, 149829), (1635, 49943)]