7855227

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{647}}^1$

素因数の和:743

約数の個数: 24

約数和(自身を含む): 12130560

約数和(自身を除く): 4275333

約数列:

[1, 3, 9, 19, 57, 71, 171, 213, 639, 647, 1349, 1941, 4047, 5823, 12141, 12293, 36879, 45937, 110637, 137811, 413433, 872803, 2618409, 7855227]

約数ペア:

[(1, 7855227), (3, 2618409), (9, 872803), (19, 413433), (57, 137811), (71, 110637), (171, 45937), (213, 36879), (639, 12293), (647, 12141), (1349, 5823), (1941, 4047)]