15783021

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{2399}}^1$

素因数の和:2465

約数の個数: 24

約数和(自身を含む): 24710400

約数和(自身を除く): 8927379

約数列:

[1, 3, 9, 17, 43, 51, 129, 153, 387, 731, 2193, 2399, 6579, 7197, 21591, 40783, 103157, 122349, 309471, 367047, 928413, 1753669, 5261007, 15783021]

約数ペア:

[(1, 15783021), (3, 5261007), (9, 1753669), (17, 928413), (43, 367047), (51, 309471), (129, 122349), (153, 103157), (387, 40783), (731, 21591), (2193, 7197), (2399, 6579)]