28272777

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{821}}^1\times {\mathrm{883}}^1$

素因数の和:1720

約数の個数: 16

約数和(自身を含む): 40692288

約数和(自身を除く): 12419511

約数列:

[1, 3, 13, 39, 821, 883, 2463, 2649, 10673, 11479, 32019, 34437, 724943, 2174829, 9424259, 28272777]

約数ペア:

[(1, 28272777), (3, 9424259), (13, 2174829), (39, 724943), (821, 34437), (883, 32019), (2463, 11479), (2649, 10673)]