1270291239

素因数分解:

$3^2\times 7^3\times {\mathrm{157}}^1\times {\mathrm{2621}}^1$

素因数の和:2805

約数の個数: 48

約数和(自身を含む): 2154235200

約数和(自身を除く): 883943961

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 157, 343, 441, 471, 1029, 1099, 1413, 2621, 3087, 3297, 7693, 7863, 9891, 18347, 23079, 23589, 53851, 55041, 69237, 128429, 161553, 165123, 385287, 411497, 484659, 899003, 1155861, 1234491, 2697009, 2880479, 3703473, 8091027, 8641437, 20163353, 25924311, 60490059, 141143471, 181470177, 423430413, 1270291239]

約数ペア:

[(1, 1270291239), (3, 423430413), (7, 181470177), (9, 141143471), (21, 60490059), (49, 25924311), (63, 20163353), (147, 8641437), (157, 8091027), (343, 3703473), (441, 2880479), (471, 2697009), (1029, 1234491), (1099, 1155861), (1413, 899003), (2621, 484659), (3087, 411497), (3297, 385287), (7693, 165123), (7863, 161553), (9891, 128429), (18347, 69237), (23079, 55041), (23589, 53851)]