27789905

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{38867}}^1$

素因数の和:38896

約数の個数: 16

約数和(自身を含む): 39178944

約数和(自身を除く): 11389039

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 38867, 194335, 427537, 505271, 2137685, 2526355, 5557981, 27789905]

約数ペア:

[(1, 27789905), (5, 5557981), (11, 2526355), (13, 2137685), (55, 505271), (65, 427537), (143, 194335), (715, 38867)]