12859905

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:138

約数の個数: 64

約数和(自身を含む): 23639040

約数和(自身を除く): 10779135

約数列:

[1, 3, 5, 15, 17, 29, 37, 47, 51, 85, 87, 111, 141, 145, 185, 235, 255, 435, 493, 555, 629, 705, 799, 1073, 1363, 1479, 1739, 1887, 2397, 2465, 3145, 3219, 3995, 4089, 5217, 5365, 6815, 7395, 8695, 9435, 11985, 16095, 18241, 20445, 23171, 26085, 29563, 50431, 54723, 69513, 88689, 91205, 115855, 147815, 151293, 252155, 273615, 347565, 443445, 756465, 857327, 2571981, 4286635, 12859905]

約数ペア:

[(1, 12859905), (3, 4286635), (5, 2571981), (15, 857327), (17, 756465), (29, 443445), (37, 347565), (47, 273615), (51, 252155), (85, 151293), (87, 147815), (111, 115855), (141, 91205), (145, 88689), (185, 69513), (235, 54723), (255, 50431), (435, 29563), (493, 26085), (555, 23171), (629, 20445), (705, 18241), (799, 16095), (1073, 11985), (1363, 9435), (1479, 8695), (1739, 7395), (1887, 6815), (2397, 5365), (2465, 5217), (3145, 4089), (3219, 3995)]