39720879

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{5651}}^1$

素因数の和:5739

約数の個数: 24

約数和(自身を含む): 63483264

約数和(自身を除く): 23762385

約数列:

[1, 3, 9, 11, 33, 71, 99, 213, 639, 781, 2343, 5651, 7029, 16953, 50859, 62161, 186483, 401221, 559449, 1203663, 3610989, 4413431, 13240293, 39720879]

約数ペア:

[(1, 39720879), (3, 13240293), (9, 4413431), (11, 3610989), (33, 1203663), (71, 559449), (99, 401221), (213, 186483), (639, 62161), (781, 50859), (2343, 16953), (5651, 7029)]