66991365

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{212671}}^1$

素因数の和:212689

約数の個数: 24

約数和(自身を含む): 132707328

約数和(自身を除く): 65715963

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 212671, 638013, 1063355, 1488697, 1914039, 3190065, 4466091, 7443485, 9570195, 13398273, 22330455, 66991365]

約数ペア:

[(1, 66991365), (3, 22330455), (5, 13398273), (7, 9570195), (9, 7443485), (15, 4466091), (21, 3190065), (35, 1914039), (45, 1488697), (63, 1063355), (105, 638013), (315, 212671)]