12820167

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{313}}^1$

素因数の和:400

約数の個数: 32

約数和(自身を含む): 20045760

約数和(自身を除く): 7225593

約数列:

[1, 3, 9, 27, 37, 41, 111, 123, 313, 333, 369, 939, 999, 1107, 1517, 2817, 4551, 8451, 11581, 12833, 13653, 34743, 38499, 40959, 104229, 115497, 312687, 346491, 474821, 1424463, 4273389, 12820167]

約数ペア:

[(1, 12820167), (3, 4273389), (9, 1424463), (27, 474821), (37, 346491), (41, 312687), (111, 115497), (123, 104229), (313, 40959), (333, 38499), (369, 34743), (939, 13653), (999, 12833), (1107, 11581), (1517, 8451), (2817, 4551)]