1238690637

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{5009}}^1$

素因数の和:5135

約数の個数: 40

約数和(自身を含む): 1920473280

約数和(自身を除く): 681782643

約数列:

[1, 3, 9, 27, 43, 71, 81, 129, 213, 387, 639, 1161, 1917, 3053, 3483, 5009, 5751, 9159, 15027, 27477, 45081, 82431, 135243, 215387, 247293, 355639, 405729, 646161, 1066917, 1938483, 3200751, 5815449, 9602253, 15292477, 17446347, 28806759, 45877431, 137632293, 412896879, 1238690637]

約数ペア:

[(1, 1238690637), (3, 412896879), (9, 137632293), (27, 45877431), (43, 28806759), (71, 17446347), (81, 15292477), (129, 9602253), (213, 5815449), (387, 3200751), (639, 1938483), (1161, 1066917), (1917, 646161), (3053, 405729), (3483, 355639), (5009, 247293), (5751, 215387), (9159, 135243), (15027, 82431), (27477, 45081)]