209544153

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{193}}^1$

素因数の和:354

約数の個数: 64

約数和(自身を含む): 357729792

約数和(自身を除く): 148185639

約数列:

[1, 3, 7, 13, 21, 39, 41, 91, 97, 123, 193, 273, 287, 291, 533, 579, 679, 861, 1261, 1351, 1599, 2037, 2509, 3731, 3783, 3977, 4053, 7527, 7913, 8827, 11193, 11931, 17563, 18721, 23739, 26481, 27839, 51701, 52689, 55391, 56163, 83517, 102869, 131047, 155103, 166173, 243373, 308607, 361907, 393141, 720083, 730119, 767561, 1085721, 1703611, 2160249, 2302683, 5110833, 5372927, 9978293, 16118781, 29934879, 69848051, 209544153]

約数ペア:

[(1, 209544153), (3, 69848051), (7, 29934879), (13, 16118781), (21, 9978293), (39, 5372927), (41, 5110833), (91, 2302683), (97, 2160249), (123, 1703611), (193, 1085721), (273, 767561), (287, 730119), (291, 720083), (533, 393141), (579, 361907), (679, 308607), (861, 243373), (1261, 166173), (1351, 155103), (1599, 131047), (2037, 102869), (2509, 83517), (3731, 56163), (3783, 55391), (3977, 52689), (4053, 51701), (7527, 27839), (7913, 26481), (8827, 23739), (11193, 18721), (11931, 17563)]