208078959

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1\times {\mathrm{379}}^1$

素因数の和:651

約数の個数: 32

約数和(自身を含む): 308183040

約数和(自身を除く): 100104081

約数列:

[1, 3, 11, 33, 127, 131, 379, 381, 393, 1137, 1397, 1441, 4169, 4191, 4323, 12507, 16637, 48133, 49649, 49911, 144399, 148947, 183007, 529463, 546139, 549021, 1588389, 1638417, 6305423, 18916269, 69359653, 208078959]

約数ペア:

[(1, 208078959), (3, 69359653), (11, 18916269), (33, 6305423), (127, 1638417), (131, 1588389), (379, 549021), (381, 546139), (393, 529463), (1137, 183007), (1397, 148947), (1441, 144399), (4169, 49911), (4191, 49649), (4323, 48133), (12507, 16637)]