172871321

素因数分解:

$7^1\times {\mathrm{83}}^1\times {\mathrm{233}}^1\times {\mathrm{1277}}^1$

素因数の和:1600

約数の個数: 16

約数和(自身を含む): 200962944

約数和(自身を除く): 28091623

約数列:

[1, 7, 83, 233, 581, 1277, 1631, 8939, 19339, 105991, 135373, 297541, 741937, 2082787, 24695903, 172871321]

約数ペア:

[(1, 172871321), (7, 24695903), (83, 2082787), (233, 741937), (581, 297541), (1277, 135373), (1631, 105991), (8939, 19339)]