67271519

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{2441}}^1$

素因数の和:2606

約数の個数: 16

約数和(自身を含む): 80019456

約数和(自身を除く): 12747937

約数列:

[1, 7, 31, 127, 217, 889, 2441, 3937, 17087, 27559, 75671, 310007, 529697, 2170049, 9610217, 67271519]

約数ペア:

[(1, 67271519), (7, 9610217), (31, 2170049), (127, 529697), (217, 310007), (889, 75671), (2441, 27559), (3937, 17087)]