42555219

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{499}}^1$

素因数の和:671

約数の個数: 32

約数和(自身を含む): 67584000

約数和(自身を除く): 25028781

約数列:

[1, 3, 7, 21, 31, 93, 131, 217, 393, 499, 651, 917, 1497, 2751, 3493, 4061, 10479, 12183, 15469, 28427, 46407, 65369, 85281, 108283, 196107, 324849, 457583, 1372749, 2026439, 6079317, 14185073, 42555219]

約数ペア:

[(1, 42555219), (3, 14185073), (7, 6079317), (21, 2026439), (31, 1372749), (93, 457583), (131, 324849), (217, 196107), (393, 108283), (499, 85281), (651, 65369), (917, 46407), (1497, 28427), (2751, 15469), (3493, 12183), (4061, 10479)]