2188809

素因数分解:

$3^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{313}}^1$

素因数の和:366

約数の個数: 32

約数和(自身を含む): 3818240

約数和(自身を除く): 1629431

約数列:

[1, 3, 7, 9, 21, 27, 37, 63, 111, 189, 259, 313, 333, 777, 939, 999, 2191, 2331, 2817, 6573, 6993, 8451, 11581, 19719, 34743, 59157, 81067, 104229, 243201, 312687, 729603, 2188809]

約数ペア:

[(1, 2188809), (3, 729603), (7, 312687), (9, 243201), (21, 104229), (27, 81067), (37, 59157), (63, 34743), (111, 19719), (189, 11581), (259, 8451), (313, 6993), (333, 6573), (777, 2817), (939, 2331), (999, 2191)]