642723003

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{28463}}^1$

素因数の和:28675

約数の個数: 24

約数和(自身を含む): 1005006912

約数和(自身を除く): 362283909

約数列:

[1, 3, 9, 13, 39, 117, 193, 579, 1737, 2509, 7527, 22581, 28463, 85389, 256167, 370019, 1110057, 3330171, 5493359, 16480077, 49440231, 71413667, 214241001, 642723003]

約数ペア:

[(1, 642723003), (3, 214241001), (9, 71413667), (13, 49440231), (39, 16480077), (117, 5493359), (193, 3330171), (579, 1110057), (1737, 370019), (2509, 256167), (7527, 85389), (22581, 28463)]