138304173

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{346627}}^1$

素因数の和:346656

約数の個数: 16

約数和(自身を含む): 221841920

約数和(自身を除く): 83537747

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 346627, 1039881, 2426389, 6585913, 7279167, 19757739, 46101391, 138304173]

約数ペア:

[(1, 138304173), (3, 46101391), (7, 19757739), (19, 7279167), (21, 6585913), (57, 2426389), (133, 1039881), (399, 346627)]