206860821

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1\times {\mathrm{223}}^1$

素因数の和:461

約数の個数: 32

約数和(自身を含む): 291314688

約数和(自身を除く): 84453867

約数列:

[1, 3, 37, 61, 111, 137, 183, 223, 411, 669, 2257, 5069, 6771, 8251, 8357, 13603, 15207, 24753, 25071, 30551, 40809, 91653, 309209, 503311, 927627, 1130387, 1509933, 1863611, 3391161, 5590833, 68953607, 206860821]

約数ペア:

[(1, 206860821), (3, 68953607), (37, 5590833), (61, 3391161), (111, 1863611), (137, 1509933), (183, 1130387), (223, 927627), (411, 503311), (669, 309209), (2257, 91653), (5069, 40809), (6771, 30551), (8251, 25071), (8357, 24753), (13603, 15207)]