78001839

素因数分解:

$3^3\times {\mathrm{157}}^1\times {\mathrm{18401}}^1$

素因数の和:18567

約数の個数: 16

約数和(自身を含む): 116300640

約数和(自身を除く): 38298801

約数列:

[1, 3, 9, 27, 157, 471, 1413, 4239, 18401, 55203, 165609, 496827, 2888957, 8666871, 26000613, 78001839]

約数ペア:

[(1, 78001839), (3, 26000613), (9, 8666871), (27, 2888957), (157, 496827), (471, 165609), (1413, 55203), (4239, 18401)]