208078317

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{577}}^1\times {\mathrm{2357}}^1$

素因数の和:2957

約数の個数: 24

約数和(自身を含む): 318924216

約数和(自身を除く): 110845899

約数列:

[1, 3, 9, 17, 51, 153, 577, 1731, 2357, 5193, 7071, 9809, 21213, 29427, 40069, 88281, 120207, 360621, 1359989, 4079967, 12239901, 23119813, 69359439, 208078317]

約数ペア:

[(1, 208078317), (3, 69359439), (9, 23119813), (17, 12239901), (51, 4079967), (153, 1359989), (577, 360621), (1731, 120207), (2357, 88281), (5193, 40069), (7071, 29427), (9809, 21213)]