51254451

素因数分解:

$3^4\times {\mathrm{251}}^1\times {\mathrm{2521}}^1$

素因数の和:2784

約数の個数: 20

約数和(自身を含む): 76900824

約数和(自身を除く): 25646373

約数列:

[1, 3, 9, 27, 81, 251, 753, 2259, 2521, 6777, 7563, 20331, 22689, 68067, 204201, 632771, 1898313, 5694939, 17084817, 51254451]

約数ペア:

[(1, 51254451), (3, 17084817), (9, 5694939), (27, 1898313), (81, 632771), (251, 204201), (753, 68067), (2259, 22689), (2521, 20331), (6777, 7563)]