138305921

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{4409}}^1$

素因数の和:4568

約数の個数: 16

約数和(自身を含む): 158054400

約数和(自身を除く): 19748479

約数列:

[1, 13, 19, 127, 247, 1651, 2413, 4409, 31369, 57317, 83771, 559943, 1089023, 7279259, 10638917, 138305921]

約数ペア:

[(1, 138305921), (13, 10638917), (19, 7279259), (127, 1089023), (247, 559943), (1651, 83771), (2413, 57317), (4409, 31369)]