1668771

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{839}}^1$

素因数の和:875

約数の個数: 24

約数和(自身を含む): 2751840

約数和(自身を除く): 1083069

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 663, 839, 1989, 2517, 7551, 10907, 14263, 32721, 42789, 98163, 128367, 185419, 556257, 1668771]

約数ペア:

[(1, 1668771), (3, 556257), (9, 185419), (13, 128367), (17, 98163), (39, 42789), (51, 32721), (117, 14263), (153, 10907), (221, 7551), (663, 2517), (839, 1989)]