56541915

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{347}}^1$

素因数の和:449

約数の個数: 64

約数和(自身を含む): 108241920

約数和(自身を除く): 51700005

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 71, 85, 135, 153, 213, 255, 347, 355, 459, 639, 765, 1041, 1065, 1207, 1735, 1917, 2295, 3123, 3195, 3621, 5205, 5899, 6035, 9369, 9585, 10863, 15615, 17697, 18105, 24637, 29495, 32589, 46845, 53091, 54315, 73911, 88485, 123185, 159273, 162945, 221733, 265455, 369555, 418829, 665199, 796365, 1108665, 1256487, 2094145, 3325995, 3769461, 6282435, 11308383, 18847305, 56541915]

約数ペア:

[(1, 56541915), (3, 18847305), (5, 11308383), (9, 6282435), (15, 3769461), (17, 3325995), (27, 2094145), (45, 1256487), (51, 1108665), (71, 796365), (85, 665199), (135, 418829), (153, 369555), (213, 265455), (255, 221733), (347, 162945), (355, 159273), (459, 123185), (639, 88485), (765, 73911), (1041, 54315), (1065, 53091), (1207, 46845), (1735, 32589), (1917, 29495), (2295, 24637), (3123, 18105), (3195, 17697), (3621, 15615), (5205, 10863), (5899, 9585), (6035, 9369)]