208045719

素因数分解:

$3^3\times 7^2\times {\mathrm{157253}}^1$

素因数の和:157276

約数の個数: 24

約数和(自身を含む): 358539120

約数和(自身を除く): 150493401

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 157253, 471759, 1100771, 1415277, 3302313, 4245831, 7705397, 9906939, 23116191, 29720817, 69348573, 208045719]

約数ペア:

[(1, 208045719), (3, 69348573), (7, 29720817), (9, 23116191), (21, 9906939), (27, 7705397), (49, 4245831), (63, 3302313), (147, 1415277), (189, 1100771), (441, 471759), (1323, 157253)]