2979018

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:129

約数の個数: 80

約数和(自身を含む): 7945344

約数和(自身を除く): 4966326

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 37, 42, 54, 63, 71, 74, 81, 111, 126, 142, 162, 189, 213, 222, 259, 333, 378, 426, 497, 518, 567, 639, 666, 777, 994, 999, 1134, 1278, 1491, 1554, 1917, 1998, 2331, 2627, 2982, 2997, 3834, 4473, 4662, 5254, 5751, 5994, 6993, 7881, 8946, 11502, 13419, 13986, 15762, 18389, 20979, 23643, 26838, 36778, 40257, 41958, 47286, 55167, 70929, 80514, 110334, 141858, 165501, 212787, 331002, 425574, 496503, 993006, 1489509, 2979018]

約数ペア:

[(1, 2979018), (2, 1489509), (3, 993006), (6, 496503), (7, 425574), (9, 331002), (14, 212787), (18, 165501), (21, 141858), (27, 110334), (37, 80514), (42, 70929), (54, 55167), (63, 47286), (71, 41958), (74, 40257), (81, 36778), (111, 26838), (126, 23643), (142, 20979), (162, 18389), (189, 15762), (213, 13986), (222, 13419), (259, 11502), (333, 8946), (378, 7881), (426, 6993), (497, 5994), (518, 5751), (567, 5254), (639, 4662), (666, 4473), (777, 3834), (994, 2997), (999, 2982), (1134, 2627), (1278, 2331), (1491, 1998), (1554, 1917)]