201297987

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{271}}^1$

素因数の和:393

約数の個数: 64

約数和(自身を含む): 339978240

約数和(自身を除く): 138680253

約数列:

[1, 3, 9, 11, 27, 33, 41, 61, 99, 123, 183, 271, 297, 369, 451, 549, 671, 813, 1107, 1353, 1647, 2013, 2439, 2501, 2981, 4059, 6039, 7317, 7503, 8943, 11111, 12177, 16531, 18117, 22509, 26829, 27511, 33333, 49593, 67527, 80487, 82533, 99999, 122221, 148779, 181841, 247599, 299997, 366663, 446337, 545523, 677771, 742797, 1099989, 1636569, 2033313, 3299967, 4909707, 6099939, 7455481, 18299817, 22366443, 67099329, 201297987]

約数ペア:

[(1, 201297987), (3, 67099329), (9, 22366443), (11, 18299817), (27, 7455481), (33, 6099939), (41, 4909707), (61, 3299967), (99, 2033313), (123, 1636569), (183, 1099989), (271, 742797), (297, 677771), (369, 545523), (451, 446337), (549, 366663), (671, 299997), (813, 247599), (1107, 181841), (1353, 148779), (1647, 122221), (2013, 99999), (2439, 82533), (2501, 80487), (2981, 67527), (4059, 49593), (6039, 33333), (7317, 27511), (7503, 26829), (8943, 22509), (11111, 18117), (12177, 16531)]