8689191

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{211}}^1$

素因数の和:311

約数の個数: 32

約数和(自身を含む): 13920768

約数和(自身を除く): 5231577

約数列:

[1, 3, 7, 21, 37, 53, 111, 159, 211, 259, 371, 633, 777, 1113, 1477, 1961, 4431, 5883, 7807, 11183, 13727, 23421, 33549, 41181, 54649, 78281, 163947, 234843, 413771, 1241313, 2896397, 8689191]

約数ペア:

[(1, 8689191), (3, 2896397), (7, 1241313), (21, 413771), (37, 234843), (53, 163947), (111, 78281), (159, 54649), (211, 41181), (259, 33549), (371, 23421), (633, 13727), (777, 11183), (1113, 7807), (1477, 5883), (1961, 4431)]