28206555

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1831}}^1$

素因数の和:1931

約数の個数: 32

約数和(自身を含む): 49244160

約数和(自身を除く): 21037605

約数列:

[1, 3, 5, 13, 15, 39, 65, 79, 195, 237, 395, 1027, 1185, 1831, 3081, 5135, 5493, 9155, 15405, 23803, 27465, 71409, 119015, 144649, 357045, 433947, 723245, 1880437, 2169735, 5641311, 9402185, 28206555]

約数ペア:

[(1, 28206555), (3, 9402185), (5, 5641311), (13, 2169735), (15, 1880437), (39, 723245), (65, 433947), (79, 357045), (195, 144649), (237, 119015), (395, 71409), (1027, 27465), (1185, 23803), (1831, 15405), (3081, 9155), (5135, 5493)]