18228753

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{257}}^1$

素因数の和:374

約数の個数: 32

約数和(自身を含む): 28235520

約数和(自身を除く): 10006767

約数列:

[1, 3, 9, 27, 37, 71, 111, 213, 257, 333, 639, 771, 999, 1917, 2313, 2627, 6939, 7881, 9509, 18247, 23643, 28527, 54741, 70929, 85581, 164223, 256743, 492669, 675139, 2025417, 6076251, 18228753]

約数ペア:

[(1, 18228753), (3, 6076251), (9, 2025417), (27, 675139), (37, 492669), (71, 256743), (111, 164223), (213, 85581), (257, 70929), (333, 54741), (639, 28527), (771, 23643), (999, 18247), (1917, 9509), (2313, 7881), (2627, 6939)]