20998791

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{4159}}^1$

素因数の和:4196

約数の個数: 32

約数和(自身を含む): 35942400

約数和(自身を除く): 14943609

約数列:

[1, 3, 9, 11, 17, 27, 33, 51, 99, 153, 187, 297, 459, 561, 1683, 4159, 5049, 12477, 37431, 45749, 70703, 112293, 137247, 212109, 411741, 636327, 777733, 1235223, 1908981, 2333199, 6999597, 20998791]

約数ペア:

[(1, 20998791), (3, 6999597), (9, 2333199), (11, 1908981), (17, 1235223), (27, 777733), (33, 636327), (51, 411741), (99, 212109), (153, 137247), (187, 112293), (297, 70703), (459, 45749), (561, 37431), (1683, 12477), (4159, 5049)]