208748043

素因数分解:

$3^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{29851}}^1$

素因数の和:29904

約数の個数: 32

約数和(自身を含む): 363000320

約数和(自身を除く): 154252277

約数列:

[1, 3, 7, 9, 21, 27, 37, 63, 111, 189, 259, 333, 777, 999, 2331, 6993, 29851, 89553, 208957, 268659, 626871, 805977, 1104487, 1880613, 3313461, 5641839, 7731409, 9940383, 23194227, 29821149, 69582681, 208748043]

約数ペア:

[(1, 208748043), (3, 69582681), (7, 29821149), (9, 23194227), (21, 9940383), (27, 7731409), (37, 5641839), (63, 3313461), (111, 1880613), (189, 1104487), (259, 805977), (333, 626871), (777, 268659), (999, 208957), (2331, 89553), (6993, 29851)]