18307917

素因数分解:

$3^3\times {\mathrm{491}}^1\times {\mathrm{1381}}^1$

素因数の和:1881

約数の個数: 16

約数和(自身を含む): 27197760

約数和(自身を除く): 8889843

約数列:

[1, 3, 9, 27, 491, 1381, 1473, 4143, 4419, 12429, 13257, 37287, 678071, 2034213, 6102639, 18307917]

約数ペア:

[(1, 18307917), (3, 6102639), (9, 2034213), (27, 678071), (491, 37287), (1381, 13257), (1473, 12429), (4143, 4419)]