7257639

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{811}}^1$

素因数の和:990

約数の個数: 16

約数和(自身を含む): 10263680

約数和(自身を除く): 3006041

約数列:

[1, 3, 19, 57, 157, 471, 811, 2433, 2983, 8949, 15409, 46227, 127327, 381981, 2419213, 7257639]

約数ペア:

[(1, 7257639), (3, 2419213), (19, 381981), (57, 127327), (157, 46227), (471, 15409), (811, 8949), (2433, 2983)]