71381655

素因数分解:

$3^4\times 5^1\times {\mathrm{337}}^1\times {\mathrm{523}}^1$

素因数の和:877

約数の個数: 40

約数和(自身を含む): 128583312

約数和(自身を除く): 57201657

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 337, 405, 523, 1011, 1569, 1685, 2615, 3033, 4707, 5055, 7845, 9099, 14121, 15165, 23535, 27297, 42363, 45495, 70605, 136485, 176251, 211815, 528753, 881255, 1586259, 2643765, 4758777, 7931295, 14276331, 23793885, 71381655]

約数ペア:

[(1, 71381655), (3, 23793885), (5, 14276331), (9, 7931295), (15, 4758777), (27, 2643765), (45, 1586259), (81, 881255), (135, 528753), (337, 211815), (405, 176251), (523, 136485), (1011, 70605), (1569, 45495), (1685, 42363), (2615, 27297), (3033, 23535), (4707, 15165), (5055, 14121), (7845, 9099)]