18390087

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{1217}}^1$

素因数の和:1319

約数の個数: 24

約数和(自身を含む): 28121184

約数和(自身を除く): 9731097

約数列:

[1, 3, 9, 23, 69, 73, 207, 219, 657, 1217, 1679, 3651, 5037, 10953, 15111, 27991, 83973, 88841, 251919, 266523, 799569, 2043343, 6130029, 18390087]

約数ペア:

[(1, 18390087), (3, 6130029), (9, 2043343), (23, 799569), (69, 266523), (73, 251919), (207, 88841), (219, 83973), (657, 27991), (1217, 15111), (1679, 10953), (3651, 5037)]