206667555

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{10259}}^1$

素因数の和:10363

約数の個数: 32

約数和(自身を含む): 354585600

約数和(自身を除く): 147918045

約数列:

[1, 3, 5, 15, 17, 51, 79, 85, 237, 255, 395, 1185, 1343, 4029, 6715, 10259, 20145, 30777, 51295, 153885, 174403, 523209, 810461, 872015, 2431383, 2616045, 4052305, 12156915, 13777837, 41333511, 68889185, 206667555]

約数ペア:

[(1, 206667555), (3, 68889185), (5, 41333511), (15, 13777837), (17, 12156915), (51, 4052305), (79, 2616045), (85, 2431383), (237, 872015), (255, 810461), (395, 523209), (1185, 174403), (1343, 153885), (4029, 51295), (6715, 30777), (10259, 20145)]