287432901

素因数分解:

$3^3\times 7^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1\times {\mathrm{251}}^1$

素因数の和:423

約数の個数: 64

約数和(自身を含む): 501258240

約数和(自身を除く): 213825339

約数列:

[1, 3, 7, 9, 21, 27, 63, 73, 83, 189, 219, 249, 251, 511, 581, 657, 747, 753, 1533, 1743, 1757, 1971, 2241, 2259, 4599, 5229, 5271, 6059, 6777, 13797, 15687, 15813, 18177, 18323, 20833, 42413, 47439, 54531, 54969, 62499, 127239, 128261, 145831, 163593, 164907, 187497, 381717, 384783, 437493, 494721, 562491, 1145151, 1154349, 1312479, 1520809, 3463047, 3937437, 4562427, 10645663, 13687281, 31936989, 41061843, 95810967, 287432901]

約数ペア:

[(1, 287432901), (3, 95810967), (7, 41061843), (9, 31936989), (21, 13687281), (27, 10645663), (63, 4562427), (73, 3937437), (83, 3463047), (189, 1520809), (219, 1312479), (249, 1154349), (251, 1145151), (511, 562491), (581, 494721), (657, 437493), (747, 384783), (753, 381717), (1533, 187497), (1743, 164907), (1757, 163593), (1971, 145831), (2241, 128261), (2259, 127239), (4599, 62499), (5229, 54969), (5271, 54531), (6059, 47439), (6777, 42413), (13797, 20833), (15687, 18323), (15813, 18177)]