13397295

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{20771}}^1$

素因数の和:20822

約数の個数: 16

約数和(自身を含む): 21935232

約数和(自身を除く): 8537937

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 20771, 62313, 103855, 311565, 893153, 2679459, 4465765, 13397295]

約数ペア:

[(1, 13397295), (3, 4465765), (5, 2679459), (15, 893153), (43, 311565), (129, 103855), (215, 62313), (645, 20771)]