247221513

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{113}}^1$

素因数の和:196

約数の個数: 108

約数和(自身を含む): 471871764

約数和(自身を除く): 224650251

約数列:

[1, 3, 7, 9, 11, 21, 33, 41, 49, 63, 77, 99, 113, 121, 123, 147, 231, 287, 339, 363, 369, 441, 451, 539, 693, 791, 847, 861, 1017, 1089, 1243, 1353, 1617, 2009, 2373, 2541, 2583, 3157, 3729, 4059, 4633, 4851, 4961, 5537, 5929, 6027, 7119, 7623, 8701, 9471, 11187, 13673, 13899, 14883, 16611, 17787, 18081, 22099, 26103, 28413, 32431, 34727, 41019, 41697, 44649, 49833, 50963, 53361, 60907, 66297, 78309, 95711, 97293, 104181, 123057, 152889, 182721, 198891, 227017, 243089, 287133, 291879, 312543, 356741, 458667, 548163, 560593, 669977, 681051, 729267, 861399, 1070223, 1681779, 2009931, 2043153, 2187801, 2497187, 3210669, 3924151, 5045337, 6029793, 7491561, 11772453, 22474683, 27469057, 35317359, 82407171, 247221513]

約数ペア:

[(1, 247221513), (3, 82407171), (7, 35317359), (9, 27469057), (11, 22474683), (21, 11772453), (33, 7491561), (41, 6029793), (49, 5045337), (63, 3924151), (77, 3210669), (99, 2497187), (113, 2187801), (121, 2043153), (123, 2009931), (147, 1681779), (231, 1070223), (287, 861399), (339, 729267), (363, 681051), (369, 669977), (441, 560593), (451, 548163), (539, 458667), (693, 356741), (791, 312543), (847, 291879), (861, 287133), (1017, 243089), (1089, 227017), (1243, 198891), (1353, 182721), (1617, 152889), (2009, 123057), (2373, 104181), (2541, 97293), (2583, 95711), (3157, 78309), (3729, 66297), (4059, 60907), (4633, 53361), (4851, 50963), (4961, 49833), (5537, 44649), (5929, 41697), (6027, 41019), (7119, 34727), (7623, 32431), (8701, 28413), (9471, 26103), (11187, 22099), (13673, 18081), (13899, 17787), (14883, 16611)]