16628193

素因数分解:

$3^3\times {\mathrm{17}}^2\times {\mathrm{2131}}^1$

素因数の和:2174

約数の個数: 24

約数和(自身を含む): 26180960

約数和(自身を除く): 9552767

約数列:

[1, 3, 9, 17, 27, 51, 153, 289, 459, 867, 2131, 2601, 6393, 7803, 19179, 36227, 57537, 108681, 326043, 615859, 978129, 1847577, 5542731, 16628193]

約数ペア:

[(1, 16628193), (3, 5542731), (9, 1847577), (17, 978129), (27, 615859), (51, 326043), (153, 108681), (289, 57537), (459, 36227), (867, 19179), (2131, 7803), (2601, 6393)]