28316211

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{3313}}^1$

素因数の和:3371

約数の個数: 32

約数和(自身を含む): 48357888

約数和(自身を除く): 20041677

約数列:

[1, 3, 7, 11, 21, 33, 37, 77, 111, 231, 259, 407, 777, 1221, 2849, 3313, 8547, 9939, 23191, 36443, 69573, 109329, 122581, 255101, 367743, 765303, 858067, 1348391, 2574201, 4045173, 9438737, 28316211]

約数ペア:

[(1, 28316211), (3, 9438737), (7, 4045173), (11, 2574201), (21, 1348391), (33, 858067), (37, 765303), (77, 367743), (111, 255101), (231, 122581), (259, 109329), (407, 69573), (777, 36443), (1221, 23191), (2849, 9939), (3313, 8547)]