254693439

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1663}}^1$

素因数の和:1717

約数の個数: 96

約数和(自身を含む): 523321344

約数和(自身を除く): 268627905

約数列:

[1, 3, 7, 9, 11, 13, 17, 21, 33, 39, 51, 63, 77, 91, 99, 117, 119, 143, 153, 187, 221, 231, 273, 357, 429, 561, 663, 693, 819, 1001, 1071, 1287, 1309, 1547, 1663, 1683, 1989, 2431, 3003, 3927, 4641, 4989, 7293, 9009, 11641, 11781, 13923, 14967, 17017, 18293, 21619, 21879, 28271, 34923, 51051, 54879, 64857, 84813, 104769, 128051, 151333, 153153, 164637, 194571, 197897, 237809, 254439, 310981, 367523, 384153, 453999, 593691, 713427, 932943, 1102569, 1152459, 1361997, 1664663, 1781073, 2140281, 2176867, 2572661, 2798829, 3307707, 4042753, 4993989, 6530601, 7717983, 12128259, 14981967, 19591803, 23153949, 28299271, 36384777, 84897813, 254693439]

約数ペア:

[(1, 254693439), (3, 84897813), (7, 36384777), (9, 28299271), (11, 23153949), (13, 19591803), (17, 14981967), (21, 12128259), (33, 7717983), (39, 6530601), (51, 4993989), (63, 4042753), (77, 3307707), (91, 2798829), (99, 2572661), (117, 2176867), (119, 2140281), (143, 1781073), (153, 1664663), (187, 1361997), (221, 1152459), (231, 1102569), (273, 932943), (357, 713427), (429, 593691), (561, 453999), (663, 384153), (693, 367523), (819, 310981), (1001, 254439), (1071, 237809), (1287, 197897), (1309, 194571), (1547, 164637), (1663, 153153), (1683, 151333), (1989, 128051), (2431, 104769), (3003, 84813), (3927, 64857), (4641, 54879), (4989, 51051), (7293, 34923), (9009, 28271), (11641, 21879), (11781, 21619), (13923, 18293), (14967, 17017)]