215523747

素因数分解:

$3^6\times {\mathrm{239}}^1\times {\mathrm{1237}}^1$

素因数の和:1494

約数の個数: 28

約数和(自身を含む): 324752160

約数和(自身を除く): 109228413

約数列:

[1, 3, 9, 27, 81, 239, 243, 717, 729, 1237, 2151, 3711, 6453, 11133, 19359, 33399, 58077, 100197, 174231, 295643, 300591, 886929, 901773, 2660787, 7982361, 23947083, 71841249, 215523747]

約数ペア:

[(1, 215523747), (3, 71841249), (9, 23947083), (27, 7982361), (81, 2660787), (239, 901773), (243, 886929), (717, 300591), (729, 295643), (1237, 174231), (2151, 100197), (3711, 58077), (6453, 33399), (11133, 19359)]