815755707

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{283}}^1\times {\mathrm{347}}^1$

素因数の和:720

約数の個数: 48

約数和(自身を含む): 1295094528

約数和(自身を除く): 479338821

約数列:

[1, 3, 9, 13, 39, 71, 117, 213, 283, 347, 639, 849, 923, 1041, 2547, 2769, 3123, 3679, 4511, 8307, 11037, 13533, 20093, 24637, 33111, 40599, 60279, 73911, 98201, 180837, 221733, 261209, 294603, 320281, 783627, 883809, 960843, 1276613, 2350881, 2882529, 3829839, 6972271, 11489517, 20916813, 62750439, 90639523, 271918569, 815755707]

約数ペア:

[(1, 815755707), (3, 271918569), (9, 90639523), (13, 62750439), (39, 20916813), (71, 11489517), (117, 6972271), (213, 3829839), (283, 2882529), (347, 2350881), (639, 1276613), (849, 960843), (923, 883809), (1041, 783627), (2547, 320281), (2769, 294603), (3123, 261209), (3679, 221733), (4511, 180837), (8307, 98201), (11037, 73911), (13533, 60279), (20093, 40599), (24637, 33111)]