51790185

素因数分解:

$3^4\times 5^1\times {\mathrm{127877}}^1$

素因数の和:127894

約数の個数: 20

約数和(自身を含む): 92839428

約数和(自身を除く): 41049243

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 127877, 383631, 639385, 1150893, 1918155, 3452679, 5754465, 10358037, 17263395, 51790185]

約数ペア:

[(1, 51790185), (3, 17263395), (5, 10358037), (9, 5754465), (15, 3452679), (27, 1918155), (45, 1150893), (81, 639385), (135, 383631), (405, 127877)]