217869903

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{607}}^1\times {\mathrm{2099}}^1$

素因数の和:2731

約数の個数: 24

約数和(自身を含む): 331968000

約数和(自身を除く): 114098097

約数列:

[1, 3, 9, 19, 57, 171, 607, 1821, 2099, 5463, 6297, 11533, 18891, 34599, 39881, 103797, 119643, 358929, 1274093, 3822279, 11466837, 24207767, 72623301, 217869903]

約数ペア:

[(1, 217869903), (3, 72623301), (9, 24207767), (19, 11466837), (57, 3822279), (171, 1274093), (607, 358929), (1821, 119643), (2099, 103797), (5463, 39881), (6297, 34599), (11533, 18891)]