2787978051

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{263}}^1\times {\mathrm{617}}^1$

素因数の和:992

約数の個数: 48

約数和(自身を含む): 4275887616

約数和(自身を除く): 1487909565

約数列:

[1, 3, 9, 23, 69, 83, 207, 249, 263, 617, 747, 789, 1851, 1909, 2367, 5553, 5727, 6049, 14191, 17181, 18147, 21829, 42573, 51211, 54441, 65487, 127719, 153633, 162271, 196461, 460899, 486813, 502067, 1177853, 1460439, 1506201, 3533559, 3732233, 4518603, 10600677, 11196699, 13468493, 33590097, 40405479, 121216437, 309775339, 929326017, 2787978051]

約数ペア:

[(1, 2787978051), (3, 929326017), (9, 309775339), (23, 121216437), (69, 40405479), (83, 33590097), (207, 13468493), (249, 11196699), (263, 10600677), (617, 4518603), (747, 3732233), (789, 3533559), (1851, 1506201), (1909, 1460439), (2367, 1177853), (5553, 502067), (5727, 486813), (6049, 460899), (14191, 196461), (17181, 162271), (18147, 153633), (21829, 127719), (42573, 65487), (51211, 54441)]