16480947

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{21211}}^1$

素因数の和:21258

約数の個数: 16

約数和(自身を含む): 25793792

約数和(自身を除く): 9312845

約数列:

[1, 3, 7, 21, 37, 111, 259, 777, 21211, 63633, 148477, 445431, 784807, 2354421, 5493649, 16480947]

約数ペア:

[(1, 16480947), (3, 5493649), (7, 2354421), (21, 784807), (37, 445431), (111, 148477), (259, 63633), (777, 21211)]