1572156621

素因数分解:

$3^4\times 7^3\times {\mathrm{71}}^1\times {\mathrm{797}}^1$

素因数の和:901

約数の個数: 80

約数和(自身を含む): 2780870400

約数和(自身を除く): 1208713779

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 71, 81, 147, 189, 213, 343, 441, 497, 567, 639, 797, 1029, 1323, 1491, 1917, 2391, 3087, 3479, 3969, 4473, 5579, 5751, 7173, 9261, 10437, 13419, 16737, 21519, 24353, 27783, 31311, 39053, 40257, 50211, 56587, 64557, 73059, 93933, 117159, 150633, 169761, 219177, 273371, 281799, 351477, 396109, 451899, 509283, 657531, 820113, 1054431, 1188327, 1527849, 1972593, 2460339, 2772763, 3163293, 3564981, 4583547, 7381017, 8318289, 10694943, 19409341, 22143051, 24954867, 32084829, 58228023, 74864601, 174684069, 224593803, 524052207, 1572156621]

約数ペア:

[(1, 1572156621), (3, 524052207), (7, 224593803), (9, 174684069), (21, 74864601), (27, 58228023), (49, 32084829), (63, 24954867), (71, 22143051), (81, 19409341), (147, 10694943), (189, 8318289), (213, 7381017), (343, 4583547), (441, 3564981), (497, 3163293), (567, 2772763), (639, 2460339), (797, 1972593), (1029, 1527849), (1323, 1188327), (1491, 1054431), (1917, 820113), (2391, 657531), (3087, 509283), (3479, 451899), (3969, 396109), (4473, 351477), (5579, 281799), (5751, 273371), (7173, 219177), (9261, 169761), (10437, 150633), (13419, 117159), (16737, 93933), (21519, 73059), (24353, 64557), (27783, 56587), (31311, 50211), (39053, 40257)]