138698973

素因数分解:

$3^4\times 7^1\times {\mathrm{244619}}^1$

素因数の和:244638

約数の個数: 20

約数和(自身を含む): 236792160

約数和(自身を除く): 98093187

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 244619, 733857, 1712333, 2201571, 5136999, 6604713, 15410997, 19814139, 46232991, 138698973]

約数ペア:

[(1, 138698973), (3, 46232991), (7, 19814139), (9, 15410997), (21, 6604713), (27, 5136999), (63, 2201571), (81, 1712333), (189, 733857), (567, 244619)]