12888519

素因数分解:

$3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{2039}}^1$

素因数の和:2099

約数の個数: 24

約数和(自身を含む): 20465280

約数和(自身を除く): 7576761

約数列:

[1, 3, 7, 21, 43, 49, 129, 147, 301, 903, 2039, 2107, 6117, 6321, 14273, 42819, 87677, 99911, 263031, 299733, 613739, 1841217, 4296173, 12888519]

約数ペア:

[(1, 12888519), (3, 4296173), (7, 1841217), (21, 613739), (43, 299733), (49, 263031), (129, 99911), (147, 87677), (301, 42819), (903, 14273), (2039, 6321), (2107, 6117)]