20161121169

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2129}}^1\times {\mathrm{10487}}^1$

素因数の和:12669

約数の個数: 32

約数和(自身を含む): 31453931520

約数和(自身を除く): 11292810351

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 2129, 6387, 10487, 14903, 31461, 44709, 73409, 91547, 220227, 274641, 450941, 640829, 1352823, 1922487, 3156587, 9469761, 22326823, 66980469, 156287761, 468863283, 960053389, 2880160167, 6720373723, 20161121169]

約数ペア:

[(1, 20161121169), (3, 6720373723), (7, 2880160167), (21, 960053389), (43, 468863283), (129, 156287761), (301, 66980469), (903, 22326823), (2129, 9469761), (6387, 3156587), (10487, 1922487), (14903, 1352823), (31461, 640829), (44709, 450941), (73409, 274641), (91547, 220227)]