81747576

素因数分解:

$2^3\times 3^3\times {\mathrm{19}}^1\times {\mathrm{19919}}^1$

素因数の和:19953

約数の個数: 64

約数和(自身を含む): 239040000

約数和(自身を除く): 157292424

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 27, 36, 38, 54, 57, 72, 76, 108, 114, 152, 171, 216, 228, 342, 456, 513, 684, 1026, 1368, 2052, 4104, 19919, 39838, 59757, 79676, 119514, 159352, 179271, 239028, 358542, 378461, 478056, 537813, 717084, 756922, 1075626, 1135383, 1434168, 1513844, 2151252, 2270766, 3027688, 3406149, 4302504, 4541532, 6812298, 9083064, 10218447, 13624596, 20436894, 27249192, 40873788, 81747576]

約数ペア:

[(1, 81747576), (2, 40873788), (3, 27249192), (4, 20436894), (6, 13624596), (8, 10218447), (9, 9083064), (12, 6812298), (18, 4541532), (19, 4302504), (24, 3406149), (27, 3027688), (36, 2270766), (38, 2151252), (54, 1513844), (57, 1434168), (72, 1135383), (76, 1075626), (108, 756922), (114, 717084), (152, 537813), (171, 478056), (216, 378461), (228, 358542), (342, 239028), (456, 179271), (513, 159352), (684, 119514), (1026, 79676), (1368, 59757), (2052, 39838), (4104, 19919)]