1728432891

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{27091}}^1$

素因数の和:27256

約数の個数: 32

約数和(自身を含む): 2730873600

約数和(自身を除く): 1002440709

約数列:

[1, 3, 9, 17, 27, 51, 139, 153, 417, 459, 1251, 2363, 3753, 7089, 21267, 27091, 63801, 81273, 243819, 460547, 731457, 1381641, 3765649, 4144923, 11296947, 12434769, 33890841, 64016033, 101672523, 192048099, 576144297, 1728432891]

約数ペア:

[(1, 1728432891), (3, 576144297), (9, 192048099), (17, 101672523), (27, 64016033), (51, 33890841), (139, 12434769), (153, 11296947), (417, 4144923), (459, 3765649), (1251, 1381641), (2363, 731457), (3753, 460547), (7089, 243819), (21267, 81273), (27091, 63801)]