38951523

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{521}}^1$

素因数の和:617

約数の個数: 40

約数和(自身を含む): 63667296

約数和(自身を除く): 24715773

約数列:

[1, 3, 9, 13, 27, 39, 71, 81, 117, 213, 351, 521, 639, 923, 1053, 1563, 1917, 2769, 4689, 5751, 6773, 8307, 14067, 20319, 24921, 36991, 42201, 60957, 74763, 110973, 182871, 332919, 480883, 548613, 998757, 1442649, 2996271, 4327947, 12983841, 38951523]

約数ペア:

[(1, 38951523), (3, 12983841), (9, 4327947), (13, 2996271), (27, 1442649), (39, 998757), (71, 548613), (81, 480883), (117, 332919), (213, 182871), (351, 110973), (521, 74763), (639, 60957), (923, 42201), (1053, 36991), (1563, 24921), (1917, 20319), (2769, 14067), (4689, 8307), (5751, 6773)]