199936863

素因数分解:

$3^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{28591}}^1$

素因数の和:28644

約数の個数: 32

約数和(自身を含む): 347678720

約数和(自身を除く): 147741857

約数列:

[1, 3, 7, 9, 21, 27, 37, 63, 111, 189, 259, 333, 777, 999, 2331, 6993, 28591, 85773, 200137, 257319, 600411, 771957, 1057867, 1801233, 3173601, 5403699, 7405069, 9520803, 22215207, 28562409, 66645621, 199936863]

約数ペア:

[(1, 199936863), (3, 66645621), (7, 28562409), (9, 22215207), (21, 9520803), (27, 7405069), (37, 5403699), (63, 3173601), (111, 1801233), (189, 1057867), (259, 771957), (333, 600411), (777, 257319), (999, 200137), (2331, 85773), (6993, 28591)]