209643201

素因数分解:

$3^3\times {\mathrm{17}}^2\times {\mathrm{67}}^1\times {\mathrm{401}}^1$

素因数の和:511

約数の個数: 48

約数和(自身を含む): 335686080

約数和(自身を除く): 126042879

約数列:

[1, 3, 9, 17, 27, 51, 67, 153, 201, 289, 401, 459, 603, 867, 1139, 1203, 1809, 2601, 3417, 3609, 6817, 7803, 10251, 10827, 19363, 20451, 26867, 30753, 58089, 61353, 80601, 115889, 174267, 184059, 241803, 347667, 456739, 522801, 725409, 1043001, 1370217, 3129003, 4110651, 7764563, 12331953, 23293689, 69881067, 209643201]

約数ペア:

[(1, 209643201), (3, 69881067), (9, 23293689), (17, 12331953), (27, 7764563), (51, 4110651), (67, 3129003), (153, 1370217), (201, 1043001), (289, 725409), (401, 522801), (459, 456739), (603, 347667), (867, 241803), (1139, 184059), (1203, 174267), (1809, 115889), (2601, 80601), (3417, 61353), (3609, 58089), (6817, 30753), (7803, 26867), (10251, 20451), (10827, 19363)]