17721319

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{12113}}^1$

素因数の和:12150

約数の個数: 16

約数和(自身を含む): 23258880

約数和(自身を除く): 5537561

約数列:

[1, 7, 11, 19, 77, 133, 209, 1463, 12113, 84791, 133243, 230147, 932701, 1611029, 2531617, 17721319]

約数ペア:

[(1, 17721319), (7, 2531617), (11, 1611029), (19, 932701), (77, 230147), (133, 133243), (209, 84791), (1463, 12113)]