212880795

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{541}}^1\times {\mathrm{709}}^1$

素因数の和:1295

約数の個数: 32

約数和(自身を含む): 350955840

約数和(自身を除く): 138075045

約数列:

[1, 3, 5, 15, 37, 111, 185, 541, 555, 709, 1623, 2127, 2705, 3545, 8115, 10635, 20017, 26233, 60051, 78699, 100085, 131165, 300255, 383569, 393495, 1150707, 1917845, 5753535, 14192053, 42576159, 70960265, 212880795]

約数ペア:

[(1, 212880795), (3, 70960265), (5, 42576159), (15, 14192053), (37, 5753535), (111, 1917845), (185, 1150707), (541, 393495), (555, 383569), (709, 300255), (1623, 131165), (2127, 100085), (2705, 78699), (3545, 60051), (8115, 26233), (10635, 20017)]