16780041

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{9007}}^1$

素因数の和:9042

約数の個数: 20

約数和(自身を含む): 26159232

約数和(自身を除く): 9379191

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 9007, 27021, 81063, 207161, 243189, 621483, 729567, 1864449, 5593347, 16780041]

約数ペア:

[(1, 16780041), (3, 5593347), (9, 1864449), (23, 729567), (27, 621483), (69, 243189), (81, 207161), (207, 81063), (621, 27021), (1863, 9007)]