208031859

素因数分解:

$3^2\times 7^1\times {\mathrm{571}}^1\times {\mathrm{5783}}^1$

素因数の和:6367

約数の個数: 24

約数和(自身を含む): 344078592

約数和(自身を除く): 136046733

約数列:

[1, 3, 7, 9, 21, 63, 571, 1713, 3997, 5139, 5783, 11991, 17349, 35973, 40481, 52047, 121443, 364329, 3302093, 9906279, 23114651, 29718837, 69343953, 208031859]

約数ペア:

[(1, 208031859), (3, 69343953), (7, 29718837), (9, 23114651), (21, 9906279), (63, 3302093), (571, 364329), (1713, 121443), (3997, 52047), (5139, 40481), (5783, 35973), (11991, 17349)]