201025419

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1$

素因数の和:260

約数の個数: 64

約数和(自身を含む): 331914240

約数和(自身を除く): 130888821

約数列:

[1, 3, 7, 21, 29, 41, 83, 87, 97, 123, 203, 249, 287, 291, 581, 609, 679, 861, 1189, 1743, 2037, 2407, 2813, 3403, 3567, 3977, 7221, 8051, 8323, 8439, 10209, 11931, 16849, 19691, 23821, 24153, 24969, 27839, 50547, 56357, 59073, 71463, 83517, 98687, 115333, 169071, 233479, 296061, 330091, 345999, 690809, 700437, 807331, 990273, 1634353, 2072427, 2310637, 2421993, 4903059, 6931911, 9572639, 28717917, 67008473, 201025419]

約数ペア:

[(1, 201025419), (3, 67008473), (7, 28717917), (21, 9572639), (29, 6931911), (41, 4903059), (83, 2421993), (87, 2310637), (97, 2072427), (123, 1634353), (203, 990273), (249, 807331), (287, 700437), (291, 690809), (581, 345999), (609, 330091), (679, 296061), (861, 233479), (1189, 169071), (1743, 115333), (2037, 98687), (2407, 83517), (2813, 71463), (3403, 59073), (3567, 56357), (3977, 50547), (7221, 27839), (8051, 24969), (8323, 24153), (8439, 23821), (10209, 19691), (11931, 16849)]