17187989

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{9941}}^1$

素因数の和:9980

約数の個数: 16

約数和(自身を含む): 22270080

約数和(自身を除く): 5082091

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 9941, 69587, 129233, 188879, 904631, 1322153, 2455427, 17187989]

約数ペア:

[(1, 17187989), (7, 2455427), (13, 1322153), (19, 904631), (91, 188879), (133, 129233), (247, 69587), (1729, 9941)]