28229229

素因数分解:

$3^4\times 7^1\times {\mathrm{49787}}^1$

素因数の和:49806

約数の個数: 20

約数和(自身を含む): 48194784

約数和(自身を除く): 19965555

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 49787, 149361, 348509, 448083, 1045527, 1344249, 3136581, 4032747, 9409743, 28229229]

約数ペア:

[(1, 28229229), (3, 9409743), (7, 4032747), (9, 3136581), (21, 1344249), (27, 1045527), (63, 448083), (81, 348509), (189, 149361), (567, 49787)]