25284645

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{179}}^1$

素因数の和:306

約数の個数: 48

約数和(自身を含む): 45714240

約数和(自身を除く): 20429595

約数列:

[1, 3, 5, 9, 15, 43, 45, 73, 129, 179, 215, 219, 365, 387, 537, 645, 657, 895, 1095, 1611, 1935, 2685, 3139, 3285, 7697, 8055, 9417, 13067, 15695, 23091, 28251, 38485, 39201, 47085, 65335, 69273, 115455, 117603, 141255, 196005, 346365, 561881, 588015, 1685643, 2809405, 5056929, 8428215, 25284645]

約数ペア:

[(1, 25284645), (3, 8428215), (5, 5056929), (9, 2809405), (15, 1685643), (43, 588015), (45, 561881), (73, 346365), (129, 196005), (179, 141255), (215, 117603), (219, 115455), (365, 69273), (387, 65335), (537, 47085), (645, 39201), (657, 38485), (895, 28251), (1095, 23091), (1611, 15695), (1935, 13067), (2685, 9417), (3139, 8055), (3285, 7697)]