16564821

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1291}}^1$

素因数の和:1361

約数の個数: 32

約数和(自身を含む): 27783168

約数和(自身を除く): 11218347

約数列:

[1, 3, 7, 13, 21, 39, 47, 91, 141, 273, 329, 611, 987, 1291, 1833, 3873, 4277, 9037, 12831, 16783, 27111, 50349, 60677, 117481, 182031, 352443, 424739, 788801, 1274217, 2366403, 5521607, 16564821]

約数ペア:

[(1, 16564821), (3, 5521607), (7, 2366403), (13, 1274217), (21, 788801), (39, 424739), (47, 352443), (91, 182031), (141, 117481), (273, 60677), (329, 50349), (611, 27111), (987, 16783), (1291, 12831), (1833, 9037), (3873, 4277)]