1991398113

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{115303}}^1$

素因数の和:115429

約数の個数: 24

約数和(自身を含む): 3057862080

約数和(自身を除く): 1066463967

約数列:

[1, 3, 9, 19, 57, 101, 171, 303, 909, 1919, 5757, 17271, 115303, 345909, 1037727, 2190757, 6572271, 11645603, 19716813, 34936809, 104810427, 221266457, 663799371, 1991398113]

約数ペア:

[(1, 1991398113), (3, 663799371), (9, 221266457), (19, 104810427), (57, 34936809), (101, 19716813), (171, 11645603), (303, 6572271), (909, 2190757), (1919, 1037727), (5757, 345909), (17271, 115303)]