28403685

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{347}}^1$

素因数の和:482

約数の個数: 48

約数和(自身を含む): 52767936

約数和(自身を除く): 24364251

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 107, 153, 255, 321, 347, 535, 765, 963, 1041, 1605, 1735, 1819, 3123, 4815, 5205, 5457, 5899, 9095, 15615, 16371, 17697, 27285, 29495, 37129, 53091, 81855, 88485, 111387, 185645, 265455, 334161, 556935, 631193, 1670805, 1893579, 3155965, 5680737, 9467895, 28403685]

約数ペア:

[(1, 28403685), (3, 9467895), (5, 5680737), (9, 3155965), (15, 1893579), (17, 1670805), (45, 631193), (51, 556935), (85, 334161), (107, 265455), (153, 185645), (255, 111387), (321, 88485), (347, 81855), (535, 53091), (765, 37129), (963, 29495), (1041, 27285), (1605, 17697), (1735, 16371), (1819, 15615), (3123, 9095), (4815, 5899), (5205, 5457)]