206502009

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{8147}}^1$

素因数の和:8245

約数の個数: 32

約数和(自身を含む): 337913856

約数和(自身を除く): 131411847

約数列:

[1, 3, 7, 17, 21, 51, 71, 119, 213, 357, 497, 1207, 1491, 3621, 8147, 8449, 24441, 25347, 57029, 138499, 171087, 415497, 578437, 969493, 1735311, 2908479, 4049059, 9833429, 12147177, 29500287, 68834003, 206502009]

約数ペア:

[(1, 206502009), (3, 68834003), (7, 29500287), (17, 12147177), (21, 9833429), (51, 4049059), (71, 2908479), (119, 1735311), (213, 969493), (357, 578437), (497, 415497), (1207, 171087), (1491, 138499), (3621, 57029), (8147, 25347), (8449, 24441)]