25440687

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{647}}^1$

素因数の和:927

約数の個数: 24

約数和(自身を含む): 39121056

約数和(自身を除く): 13680369

約数列:

[1, 3, 9, 17, 51, 153, 257, 647, 771, 1941, 2313, 4369, 5823, 10999, 13107, 32997, 39321, 98991, 166279, 498837, 1496511, 2826743, 8480229, 25440687]

約数ペア:

[(1, 25440687), (3, 8480229), (9, 2826743), (17, 1496511), (51, 498837), (153, 166279), (257, 98991), (647, 39321), (771, 32997), (1941, 13107), (2313, 10999), (4369, 5823)]