80531253

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:180

約数の個数: 80

約数和(自身を含む): 142179840

約数和(自身を除く): 61648587

約数列:

[1, 3, 9, 11, 19, 27, 33, 57, 67, 71, 81, 99, 171, 201, 209, 213, 297, 513, 603, 627, 639, 737, 781, 891, 1273, 1349, 1539, 1809, 1881, 1917, 2211, 2343, 3819, 4047, 4757, 5427, 5643, 5751, 6633, 7029, 11457, 12141, 14003, 14271, 14839, 16929, 19899, 21087, 34371, 36423, 42009, 42813, 44517, 52327, 59697, 63261, 90383, 103113, 109269, 126027, 128439, 133551, 156981, 271149, 378081, 385317, 400653, 470943, 813447, 994213, 1134243, 1201959, 1412829, 2440341, 2982639, 4238487, 7321023, 8947917, 26843751, 80531253]

約数ペア:

[(1, 80531253), (3, 26843751), (9, 8947917), (11, 7321023), (19, 4238487), (27, 2982639), (33, 2440341), (57, 1412829), (67, 1201959), (71, 1134243), (81, 994213), (99, 813447), (171, 470943), (201, 400653), (209, 385317), (213, 378081), (297, 271149), (513, 156981), (603, 133551), (627, 128439), (639, 126027), (737, 109269), (781, 103113), (891, 90383), (1273, 63261), (1349, 59697), (1539, 52327), (1809, 44517), (1881, 42813), (1917, 42009), (2211, 36423), (2343, 34371), (3819, 21087), (4047, 19899), (4757, 16929), (5427, 14839), (5643, 14271), (5751, 14003), (6633, 12141), (7029, 11457)]