208023981

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{4729}}^1$

素因数の和:4817

約数の個数: 32

約数和(自身を含む): 319672320

約数和(自身を除く): 111648339

約数列:

[1, 3, 11, 31, 33, 43, 93, 129, 341, 473, 1023, 1333, 1419, 3999, 4729, 14187, 14663, 43989, 52019, 146599, 156057, 203347, 439797, 610041, 1612589, 2236817, 4837767, 6303757, 6710451, 18911271, 69341327, 208023981]

約数ペア:

[(1, 208023981), (3, 69341327), (11, 18911271), (31, 6710451), (33, 6303757), (43, 4837767), (93, 2236817), (129, 1612589), (341, 610041), (473, 439797), (1023, 203347), (1333, 156057), (1419, 146599), (3999, 52019), (4729, 43989), (14187, 14663)]