840427

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:186

約数の個数: 16

約数和(自身を含む): 1036800

約数和(自身を除く): 196373

約数列:

[1, 7, 19, 71, 89, 133, 497, 623, 1349, 1691, 6319, 9443, 11837, 44233, 120061, 840427]

約数ペア:

[(1, 840427), (7, 120061), (19, 44233), (71, 11837), (89, 9443), (133, 6319), (497, 1691), (623, 1349)]