27904890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71551}}^1$

素因数の和:71574

約数の個数: 32

約数和(自身を含む): 72124416

約数和(自身を除く): 44219526

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 71551, 143102, 214653, 357755, 429306, 715510, 930163, 1073265, 1860326, 2146530, 2790489, 4650815, 5580978, 9301630, 13952445, 27904890]

約数ペア:

[(1, 27904890), (2, 13952445), (3, 9301630), (5, 5580978), (6, 4650815), (10, 2790489), (13, 2146530), (15, 1860326), (26, 1073265), (30, 930163), (39, 715510), (65, 429306), (78, 357755), (130, 214653), (195, 143102), (390, 71551)]