1640185869

素因数分解:

$3^1\times 7^3\times {\mathrm{863}}^1\times {\mathrm{1847}}^1$

素因数の和:2734

約数の個数: 32

約数和(自身を含む): 2554675200

約数和(自身を除く): 914489331

約数列:

[1, 3, 7, 21, 49, 147, 343, 863, 1029, 1847, 2589, 5541, 6041, 12929, 18123, 38787, 42287, 90503, 126861, 271509, 296009, 633521, 888027, 1593961, 1900563, 4781883, 11157727, 33473181, 78104089, 234312267, 546728623, 1640185869]

約数ペア:

[(1, 1640185869), (3, 546728623), (7, 234312267), (21, 78104089), (49, 33473181), (147, 11157727), (343, 4781883), (863, 1900563), (1029, 1593961), (1847, 888027), (2589, 633521), (5541, 296009), (6041, 271509), (12929, 126861), (18123, 90503), (38787, 42287)]