138873147

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{348053}}^1$

素因数の和:348082

約数の個数: 16

約数和(自身を含む): 222754560

約数和(自身を除く): 83881413

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 348053, 1044159, 2436371, 6613007, 7309113, 19839021, 46291049, 138873147]

約数ペア:

[(1, 138873147), (3, 46291049), (7, 19839021), (19, 7309113), (21, 6613007), (57, 2436371), (133, 1044159), (399, 348053)]