253711227

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^3\times {\mathrm{29}}^1\times {\mathrm{313}}^1$

素因数の和:385

約数の個数: 64

約数和(自身を含む): 441308160

約数和(自身を除く): 187596933

約数列:

[1, 3, 7, 11, 21, 29, 33, 77, 87, 121, 203, 231, 313, 319, 363, 609, 847, 939, 957, 1331, 2191, 2233, 2541, 3443, 3509, 3993, 6573, 6699, 9077, 9317, 10329, 10527, 24101, 24563, 27231, 27951, 37873, 38599, 63539, 72303, 73689, 99847, 113619, 115797, 190617, 265111, 270193, 299541, 416603, 698929, 795333, 810579, 1098317, 1249809, 2096787, 2916221, 3294951, 7688219, 8748663, 12081487, 23064657, 36244461, 84570409, 253711227]

約数ペア:

[(1, 253711227), (3, 84570409), (7, 36244461), (11, 23064657), (21, 12081487), (29, 8748663), (33, 7688219), (77, 3294951), (87, 2916221), (121, 2096787), (203, 1249809), (231, 1098317), (313, 810579), (319, 795333), (363, 698929), (609, 416603), (847, 299541), (939, 270193), (957, 265111), (1331, 190617), (2191, 115797), (2233, 113619), (2541, 99847), (3443, 73689), (3509, 72303), (3993, 63539), (6573, 38599), (6699, 37873), (9077, 27951), (9317, 27231), (10329, 24563), (10527, 24101)]