2750409

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1$

素因数の和:178

約数の個数: 32

約数和(自身を含む): 4392960

約数和(自身を除く): 1642551

約数列:

[1, 3, 9, 23, 27, 43, 69, 103, 129, 207, 309, 387, 621, 927, 989, 1161, 2369, 2781, 2967, 4429, 7107, 8901, 13287, 21321, 26703, 39861, 63963, 101867, 119583, 305601, 916803, 2750409]

約数ペア:

[(1, 2750409), (3, 916803), (9, 305601), (23, 119583), (27, 101867), (43, 63963), (69, 39861), (103, 26703), (129, 21321), (207, 13287), (309, 8901), (387, 7107), (621, 4429), (927, 2967), (989, 2781), (1161, 2369)]