2175156

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:141

約数の個数: 72

約数和(自身を含む): 5975424

約数和(自身を除く): 3800268

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 37, 46, 69, 71, 74, 92, 111, 138, 142, 148, 207, 213, 222, 276, 284, 333, 414, 426, 444, 639, 666, 828, 851, 852, 1278, 1332, 1633, 1702, 2553, 2556, 2627, 3266, 3404, 4899, 5106, 5254, 6532, 7659, 7881, 9798, 10212, 10508, 14697, 15318, 15762, 19596, 23643, 29394, 30636, 31524, 47286, 58788, 60421, 94572, 120842, 181263, 241684, 362526, 543789, 725052, 1087578, 2175156]

約数ペア:

[(1, 2175156), (2, 1087578), (3, 725052), (4, 543789), (6, 362526), (9, 241684), (12, 181263), (18, 120842), (23, 94572), (36, 60421), (37, 58788), (46, 47286), (69, 31524), (71, 30636), (74, 29394), (92, 23643), (111, 19596), (138, 15762), (142, 15318), (148, 14697), (207, 10508), (213, 10212), (222, 9798), (276, 7881), (284, 7659), (333, 6532), (414, 5254), (426, 5106), (444, 4899), (639, 3404), (666, 3266), (828, 2627), (851, 2556), (852, 2553), (1278, 1702), (1332, 1633)]