3992409

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{2143}}^1$

素因数の和:2178

約数の個数: 20

約数和(自身を含む): 6226176

約数和(自身を除く): 2233767

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 2143, 6429, 19287, 49289, 57861, 147867, 173583, 443601, 1330803, 3992409]

約数ペア:

[(1, 3992409), (3, 1330803), (9, 443601), (23, 173583), (27, 147867), (69, 57861), (81, 49289), (207, 19287), (621, 6429), (1863, 2143)]