15707781243

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{647}}^1\times {\mathrm{661}}^1$

素因数の和:1385

約数の個数: 96

約数和(自身を含む): 28909550592

約数和(自身を除く): 13201769349

約数列:

[1, 3, 7, 9, 11, 21, 33, 53, 63, 77, 99, 159, 231, 371, 477, 583, 647, 661, 693, 1113, 1749, 1941, 1983, 3339, 4081, 4529, 4627, 5247, 5823, 5949, 7117, 7271, 12243, 13587, 13881, 21351, 21813, 34291, 35033, 36729, 40761, 41643, 49819, 50897, 64053, 65439, 102873, 105099, 149457, 152691, 240037, 245231, 308619, 315297, 377201, 385363, 427667, 448371, 458073, 720111, 735693, 1131603, 1156089, 1283001, 2160333, 2207079, 2640407, 2697541, 2993669, 3394809, 3468267, 3849003, 4704337, 7921221, 8092623, 8981007, 14113011, 22666351, 23763663, 24277869, 26943021, 32930359, 42339033, 67999053, 98791077, 158664457, 203997159, 249329861, 296373231, 475993371, 747989583, 1427980113, 1745309027, 2243968749, 5235927081, 15707781243]

約数ペア:

[(1, 15707781243), (3, 5235927081), (7, 2243968749), (9, 1745309027), (11, 1427980113), (21, 747989583), (33, 475993371), (53, 296373231), (63, 249329861), (77, 203997159), (99, 158664457), (159, 98791077), (231, 67999053), (371, 42339033), (477, 32930359), (583, 26943021), (647, 24277869), (661, 23763663), (693, 22666351), (1113, 14113011), (1749, 8981007), (1941, 8092623), (1983, 7921221), (3339, 4704337), (4081, 3849003), (4529, 3468267), (4627, 3394809), (5247, 2993669), (5823, 2697541), (5949, 2640407), (7117, 2207079), (7271, 2160333), (12243, 1283001), (13587, 1156089), (13881, 1131603), (21351, 735693), (21813, 720111), (34291, 458073), (35033, 448371), (36729, 427667), (40761, 385363), (41643, 377201), (49819, 315297), (50897, 308619), (64053, 245231), (65439, 240037), (102873, 152691), (105099, 149457)]