253286397

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{397}}^1$

素因数の和:483

約数の個数: 96

約数和(自身を含む): 486769920

約数和(自身を除く): 233483523

約数列:

[1, 3, 7, 9, 13, 19, 21, 39, 41, 57, 63, 91, 117, 123, 133, 171, 247, 273, 287, 369, 397, 399, 533, 741, 779, 819, 861, 1191, 1197, 1599, 1729, 2223, 2337, 2583, 2779, 3573, 3731, 4797, 5161, 5187, 5453, 7011, 7543, 8337, 10127, 11193, 15483, 15561, 16277, 16359, 22629, 25011, 30381, 33579, 36127, 46449, 48831, 49077, 52801, 67887, 70889, 91143, 98059, 108381, 113939, 146493, 158403, 211601, 212667, 294177, 309263, 325143, 341817, 475209, 634803, 638001, 686413, 882531, 927789, 1025451, 1481207, 1904409, 2059239, 2164841, 2783367, 4020419, 4443621, 6177717, 6494523, 12061257, 13330863, 19483569, 28142933, 36183771, 84428799, 253286397]

約数ペア:

[(1, 253286397), (3, 84428799), (7, 36183771), (9, 28142933), (13, 19483569), (19, 13330863), (21, 12061257), (39, 6494523), (41, 6177717), (57, 4443621), (63, 4020419), (91, 2783367), (117, 2164841), (123, 2059239), (133, 1904409), (171, 1481207), (247, 1025451), (273, 927789), (287, 882531), (369, 686413), (397, 638001), (399, 634803), (533, 475209), (741, 341817), (779, 325143), (819, 309263), (861, 294177), (1191, 212667), (1197, 211601), (1599, 158403), (1729, 146493), (2223, 113939), (2337, 108381), (2583, 98059), (2779, 91143), (3573, 70889), (3731, 67887), (4797, 52801), (5161, 49077), (5187, 48831), (5453, 46449), (7011, 36127), (7543, 33579), (8337, 30381), (10127, 25011), (11193, 22629), (15483, 16359), (15561, 16277)]