207936421

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{277}}^1\times {\mathrm{9749}}^1$

素因数の和:10044

約数の個数: 16

約数和(自身を含む): 260208000

約数和(自身を除く): 52271579

約数列:

[1, 7, 11, 77, 277, 1939, 3047, 9749, 21329, 68243, 107239, 750673, 2700473, 18903311, 29705203, 207936421]

約数ペア:

[(1, 207936421), (7, 29705203), (11, 18903311), (77, 2700473), (277, 750673), (1939, 107239), (3047, 68243), (9749, 21329)]