20170803723

素因数分解:

$3^1\times 7^1\times {\mathrm{6991}}^1\times {\mathrm{137393}}^1$

素因数の和:144394

約数の個数: 16

約数和(自身を含む): 30741083136

約数和(自身を除く): 10570279413

約数列:

[1, 3, 7, 21, 6991, 20973, 48937, 137393, 146811, 412179, 961751, 2885253, 960514463, 2881543389, 6723601241, 20170803723]

約数ペア:

[(1, 20170803723), (3, 6723601241), (7, 2881543389), (21, 960514463), (6991, 2885253), (20973, 961751), (48937, 412179), (137393, 146811)]