31194219

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2113}}^1$

素因数の和:2179

約数の個数: 32

約数和(自身を含む): 51412480

約数和(自身を除く): 20218261

約数列:

[1, 3, 7, 19, 21, 37, 57, 111, 133, 259, 399, 703, 777, 2109, 2113, 4921, 6339, 14763, 14791, 40147, 44373, 78181, 120441, 234543, 281029, 547267, 843087, 1485439, 1641801, 4456317, 10398073, 31194219]

約数ペア:

[(1, 31194219), (3, 10398073), (7, 4456317), (19, 1641801), (21, 1485439), (37, 843087), (57, 547267), (111, 281029), (133, 234543), (259, 120441), (399, 78181), (703, 44373), (777, 40147), (2109, 14791), (2113, 14763), (4921, 6339)]