37890783

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1$

素因数の和:324

約数の個数: 48

約数和(自身を含む): 65235456

約数和(自身を除く): 27344673

約数列:

[1, 3, 7, 9, 21, 43, 63, 71, 129, 197, 213, 301, 387, 497, 591, 639, 903, 1379, 1491, 1773, 2709, 3053, 4137, 4473, 8471, 9159, 12411, 13987, 21371, 25413, 27477, 41961, 59297, 64113, 76239, 97909, 125883, 177891, 192339, 293727, 533673, 601441, 881181, 1804323, 4210087, 5412969, 12630261, 37890783]

約数ペア:

[(1, 37890783), (3, 12630261), (7, 5412969), (9, 4210087), (21, 1804323), (43, 881181), (63, 601441), (71, 533673), (129, 293727), (197, 192339), (213, 177891), (301, 125883), (387, 97909), (497, 76239), (591, 64113), (639, 59297), (903, 41961), (1379, 27477), (1491, 25413), (1773, 21371), (2709, 13987), (3053, 12411), (4137, 9159), (4473, 8471)]