208565577

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{6563}}^1$

素因数の和:6690

約数の個数: 32

約数和(自身を含む): 340277760

約数和(自身を除く): 131712183

約数列:

[1, 3, 9, 11, 27, 33, 99, 107, 297, 321, 963, 1177, 2889, 3531, 6563, 10593, 19689, 31779, 59067, 72193, 177201, 216579, 649737, 702241, 1949211, 2106723, 6320169, 7724651, 18960507, 23173953, 69521859, 208565577]

約数ペア:

[(1, 208565577), (3, 69521859), (9, 23173953), (11, 18960507), (27, 7724651), (33, 6320169), (99, 2106723), (107, 1949211), (297, 702241), (321, 649737), (963, 216579), (1177, 177201), (2889, 72193), (3531, 59067), (6563, 31779), (10593, 19689)]