720551403

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{433}}^1$

素因数の和:897

約数の個数: 64

約数和(自身を含む): 1259919360

約数和(自身を除く): 539367957

約数列:

[1, 3, 9, 11, 13, 27, 33, 39, 99, 117, 143, 297, 351, 429, 431, 433, 1287, 1293, 1299, 3861, 3879, 3897, 4741, 4763, 5603, 5629, 11637, 11691, 14223, 14289, 16809, 16887, 42669, 42867, 50427, 50661, 61633, 61919, 128007, 128601, 151281, 151983, 184899, 185757, 186623, 554697, 557271, 559869, 1664091, 1671813, 1679607, 2052853, 2426099, 5038821, 6158559, 7278297, 18475677, 21834891, 26687089, 55427031, 65504673, 80061267, 240183801, 720551403]

約数ペア:

[(1, 720551403), (3, 240183801), (9, 80061267), (11, 65504673), (13, 55427031), (27, 26687089), (33, 21834891), (39, 18475677), (99, 7278297), (117, 6158559), (143, 5038821), (297, 2426099), (351, 2052853), (429, 1679607), (431, 1671813), (433, 1664091), (1287, 559869), (1293, 557271), (1299, 554697), (3861, 186623), (3879, 185757), (3897, 184899), (4741, 151983), (4763, 151281), (5603, 128601), (5629, 128007), (11637, 61919), (11691, 61633), (14223, 50661), (14289, 50427), (16809, 42867), (16887, 42669)]