1720201239

素因数分解:

$3^3\times {\mathrm{409}}^1\times {\mathrm{155773}}^1$

素因数の和:156191

約数の個数: 16

約数和(自身を含む): 2554693600

約数和(自身を除く): 834492361

約数列:

[1, 3, 9, 27, 409, 1227, 3681, 11043, 155773, 467319, 1401957, 4205871, 63711157, 191133471, 573400413, 1720201239]

約数ペア:

[(1, 1720201239), (3, 573400413), (9, 191133471), (27, 63711157), (409, 4205871), (1227, 1401957), (3681, 467319), (11043, 155773)]