28906965

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{14939}}^1$

素因数の和:14993

約数の個数: 24

約数和(自身を含む): 51274080

約数和(自身を除く): 22367115

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 14939, 44817, 74695, 134451, 224085, 642377, 672255, 1927131, 3211885, 5781393, 9635655, 28906965]

約数ペア:

[(1, 28906965), (3, 9635655), (5, 5781393), (9, 3211885), (15, 1927131), (43, 672255), (45, 642377), (129, 224085), (215, 134451), (387, 74695), (645, 44817), (1935, 14939)]