12780726

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{304303}}^1$

素因数の和:304315

約数の個数: 16

約数和(自身を含む): 29213184

約数和(自身を除く): 16432458

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 304303, 608606, 912909, 1825818, 2130121, 4260242, 6390363, 12780726]

約数ペア:

[(1, 12780726), (2, 6390363), (3, 4260242), (6, 2130121), (7, 1825818), (14, 912909), (21, 608606), (42, 304303)]