81330249

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:167

約数の個数: 96

約数和(自身を含む): 153062784

約数和(自身を除く): 71732535

約数列:

[1, 3, 7, 11, 13, 21, 33, 39, 49, 53, 73, 77, 91, 143, 147, 159, 219, 231, 273, 371, 429, 511, 539, 583, 637, 689, 803, 949, 1001, 1113, 1533, 1617, 1749, 1911, 2067, 2409, 2597, 2847, 3003, 3577, 3869, 4081, 4823, 5621, 6643, 7007, 7579, 7791, 10439, 10731, 11607, 12243, 14469, 16863, 19929, 21021, 22737, 27083, 28567, 31317, 33761, 39347, 42559, 46501, 50297, 53053, 73073, 81249, 85701, 101283, 118041, 127677, 139503, 150891, 159159, 189581, 219219, 297913, 352079, 371371, 511511, 553267, 568743, 893739, 1056237, 1114113, 1534533, 1659801, 2085391, 2464553, 3872869, 6256173, 7393659, 11618607, 27110083, 81330249]

約数ペア:

[(1, 81330249), (3, 27110083), (7, 11618607), (11, 7393659), (13, 6256173), (21, 3872869), (33, 2464553), (39, 2085391), (49, 1659801), (53, 1534533), (73, 1114113), (77, 1056237), (91, 893739), (143, 568743), (147, 553267), (159, 511511), (219, 371371), (231, 352079), (273, 297913), (371, 219219), (429, 189581), (511, 159159), (539, 150891), (583, 139503), (637, 127677), (689, 118041), (803, 101283), (949, 85701), (1001, 81249), (1113, 73073), (1533, 53053), (1617, 50297), (1749, 46501), (1911, 42559), (2067, 39347), (2409, 33761), (2597, 31317), (2847, 28567), (3003, 27083), (3577, 22737), (3869, 21021), (4081, 19929), (4823, 16863), (5621, 14469), (6643, 12243), (7007, 11607), (7579, 10731), (7791, 10439)]