28820367

素因数分解:

$3^4\times {\mathrm{383}}^1\times {\mathrm{929}}^1$

素因数の和:1324

約数の個数: 20

約数和(自身を含む): 43211520

約数和(自身を除く): 14391153

約数列:

[1, 3, 9, 27, 81, 383, 929, 1149, 2787, 3447, 8361, 10341, 25083, 31023, 75249, 355807, 1067421, 3202263, 9606789, 28820367]

約数ペア:

[(1, 28820367), (3, 9606789), (9, 3202263), (27, 1067421), (81, 355807), (383, 75249), (929, 31023), (1149, 25083), (2787, 10341), (3447, 8361)]