25714215

素因数分解:

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

素因数の和:288

約数の個数: 48

約数和(自身を含む): 46414368

約数和(自身を除く): 20700153

約数列:

[1, 3, 5, 9, 15, 43, 45, 97, 129, 137, 215, 291, 387, 411, 485, 645, 685, 873, 1233, 1455, 1935, 2055, 4171, 4365, 5891, 6165, 12513, 13289, 17673, 20855, 29455, 37539, 39867, 53019, 62565, 66445, 88365, 119601, 187695, 199335, 265095, 571427, 598005, 1714281, 2857135, 5142843, 8571405, 25714215]

約数ペア:

[(1, 25714215), (3, 8571405), (5, 5142843), (9, 2857135), (15, 1714281), (43, 598005), (45, 571427), (97, 265095), (129, 199335), (137, 187695), (215, 119601), (291, 88365), (387, 66445), (411, 62565), (485, 53019), (645, 39867), (685, 37539), (873, 29455), (1233, 20855), (1455, 17673), (1935, 13289), (2055, 12513), (4171, 6165), (4365, 5891)]