42857025

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{137}}^1$

素因数の和:290

約数の個数: 48

約数和(自身を含む): 73786944

約数和(自身を除く): 30929919

約数列:

[1, 3, 5, 15, 25, 43, 75, 97, 129, 137, 215, 291, 411, 485, 645, 685, 1075, 1455, 2055, 2425, 3225, 3425, 4171, 5891, 7275, 10275, 12513, 13289, 17673, 20855, 29455, 39867, 62565, 66445, 88365, 104275, 147275, 199335, 312825, 332225, 441825, 571427, 996675, 1714281, 2857135, 8571405, 14285675, 42857025]

約数ペア:

[(1, 42857025), (3, 14285675), (5, 8571405), (15, 2857135), (25, 1714281), (43, 996675), (75, 571427), (97, 441825), (129, 332225), (137, 312825), (215, 199335), (291, 147275), (411, 104275), (485, 88365), (645, 66445), (685, 62565), (1075, 39867), (1455, 29455), (2055, 20855), (2425, 17673), (3225, 13289), (3425, 12513), (4171, 10275), (5891, 7275)]