206864109

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1$

素因数の和:370

約数の個数: 48

約数和(自身を含む): 325503360

約数和(自身を除く): 118639251

約数列:

[1, 3, 9, 17, 51, 71, 137, 139, 153, 213, 411, 417, 639, 1207, 1233, 1251, 2329, 2363, 3621, 6987, 7089, 9727, 9869, 10863, 19043, 20961, 21267, 29181, 29607, 57129, 87543, 88821, 165359, 167773, 171387, 323731, 496077, 503319, 971193, 1352053, 1488231, 1509957, 2913579, 4056159, 12168477, 22984901, 68954703, 206864109]

約数ペア:

[(1, 206864109), (3, 68954703), (9, 22984901), (17, 12168477), (51, 4056159), (71, 2913579), (137, 1509957), (139, 1488231), (153, 1352053), (213, 971193), (411, 503319), (417, 496077), (639, 323731), (1207, 171387), (1233, 167773), (1251, 165359), (2329, 88821), (2363, 87543), (3621, 57129), (6987, 29607), (7089, 29181), (9727, 21267), (9869, 20961), (10863, 19043)]