137921

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1$

素因数の和:104

約数の個数: 16

約数和(自身を含む): 178560

約数和(自身を除く): 40639

約数列:

[1, 7, 17, 19, 61, 119, 133, 323, 427, 1037, 1159, 2261, 7259, 8113, 19703, 137921]

約数ペア:

[(1, 137921), (7, 19703), (17, 8113), (19, 7259), (61, 2261), (119, 1159), (133, 1037), (323, 427)]