208180557

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{1871}}^1$

素因数の和:2210

約数の個数: 32

約数和(自身を含む): 333365760

約数和(自身を除く): 125185203

約数列:

[1, 3, 9, 13, 27, 39, 117, 317, 351, 951, 1871, 2853, 4121, 5613, 8559, 12363, 16839, 24323, 37089, 50517, 72969, 111267, 218907, 593107, 656721, 1779321, 5337963, 7710391, 16013889, 23131173, 69393519, 208180557]

約数ペア:

[(1, 208180557), (3, 69393519), (9, 23131173), (13, 16013889), (27, 7710391), (39, 5337963), (117, 1779321), (317, 656721), (351, 593107), (951, 218907), (1871, 111267), (2853, 72969), (4121, 50517), (5613, 37089), (8559, 24323), (12363, 16839)]