1909145217

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{277}}^1\times {\mathrm{6983}}^1$

素因数の和:7317

約数の個数: 32

約数和(自身を含む): 2982223872

約数和(自身を除く): 1073078655

約数列:

[1, 3, 7, 21, 47, 141, 277, 329, 831, 987, 1939, 5817, 6983, 13019, 20949, 39057, 48881, 91133, 146643, 273399, 328201, 984603, 1934291, 2297407, 5802873, 6892221, 13540037, 40620111, 90911677, 272735031, 636381739, 1909145217]

約数ペア:

[(1, 1909145217), (3, 636381739), (7, 272735031), (21, 90911677), (47, 40620111), (141, 13540037), (277, 6892221), (329, 5802873), (831, 2297407), (987, 1934291), (1939, 984603), (5817, 328201), (6983, 273399), (13019, 146643), (20949, 91133), (39057, 48881)]