12983841

素因数分解:

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

素因数の和:614

約数の個数: 32

約数和(自身を含む): 21047040

約数和(自身を除く): 8063199

約数列:

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

約数ペア:

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