51780135

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{607}}^1$

素因数の和:684

約数の個数: 48

約数和(自身を含む): 93155328

約数和(自身を除く): 41375193

約数列:

[1, 3, 5, 11, 15, 33, 47, 55, 121, 141, 165, 235, 363, 517, 605, 607, 705, 1551, 1815, 1821, 2585, 3035, 5687, 6677, 7755, 9105, 17061, 20031, 28435, 28529, 33385, 73447, 85305, 85587, 100155, 142645, 220341, 313819, 367235, 427935, 941457, 1101705, 1569095, 3452009, 4707285, 10356027, 17260045, 51780135]

約数ペア:

[(1, 51780135), (3, 17260045), (5, 10356027), (11, 4707285), (15, 3452009), (33, 1569095), (47, 1101705), (55, 941457), (121, 427935), (141, 367235), (165, 313819), (235, 220341), (363, 142645), (517, 100155), (605, 85587), (607, 85305), (705, 73447), (1551, 33385), (1815, 28529), (1821, 28435), (2585, 20031), (3035, 17061), (5687, 9105), (6677, 7755)]