54986589

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{647}}^1$

素因数の和:750

約数の個数: 48

約数和(自身を含む): 97044480

約数和(自身を除く): 42057891

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 71, 133, 171, 213, 399, 497, 639, 647, 1197, 1349, 1491, 1941, 4047, 4473, 4529, 5823, 9443, 12141, 12293, 13587, 28329, 36879, 40761, 45937, 84987, 86051, 110637, 137811, 258153, 321559, 413433, 774459, 872803, 964677, 2618409, 2894031, 6109621, 7855227, 18328863, 54986589]

約数ペア:

[(1, 54986589), (3, 18328863), (7, 7855227), (9, 6109621), (19, 2894031), (21, 2618409), (57, 964677), (63, 872803), (71, 774459), (133, 413433), (171, 321559), (213, 258153), (399, 137811), (497, 110637), (639, 86051), (647, 84987), (1197, 45937), (1349, 40761), (1491, 36879), (1941, 28329), (4047, 13587), (4473, 12293), (4529, 12141), (5823, 9443)]