131537

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1$

素因数の和:92

約数の個数: 16

約数和(自身を含む): 168960

約数和(自身を除く): 37423

約数列:

[1, 7, 19, 23, 43, 133, 161, 301, 437, 817, 989, 3059, 5719, 6923, 18791, 131537]

約数ペア:

[(1, 131537), (7, 18791), (19, 6923), (23, 5719), (43, 3059), (133, 989), (161, 817), (301, 437)]