31647795

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{1571}}^1$

素因数の和:1675

約数の個数: 32

約数和(自身を含む): 54328320

約数和(自身を除く): 22680525

約数列:

[1, 3, 5, 15, 17, 51, 79, 85, 237, 255, 395, 1185, 1343, 1571, 4029, 4713, 6715, 7855, 20145, 23565, 26707, 80121, 124109, 133535, 372327, 400605, 620545, 1861635, 2109853, 6329559, 10549265, 31647795]

約数ペア:

[(1, 31647795), (3, 10549265), (5, 6329559), (15, 2109853), (17, 1861635), (51, 620545), (79, 400605), (85, 372327), (237, 133535), (255, 124109), (395, 80121), (1185, 26707), (1343, 23565), (1571, 20145), (4029, 7855), (4713, 6715)]