1555326

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{1217}}^1$

素因数の和:1296

約数の個数: 24

約数和(自身を含む): 3420144

約数和(自身を除く): 1864818

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1217, 1278, 2434, 3651, 7302, 10953, 21906, 86407, 172814, 259221, 518442, 777663, 1555326]

約数ペア:

[(1, 1555326), (2, 777663), (3, 518442), (6, 259221), (9, 172814), (18, 86407), (71, 21906), (142, 10953), (213, 7302), (426, 3651), (639, 2434), (1217, 1278)]