7983921

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1$

素因数の和:261

約数の個数: 32

約数和(自身を含む): 12377088

約数和(自身を除く): 4393167

約数列:

[1, 3, 11, 23, 33, 67, 69, 157, 201, 253, 471, 737, 759, 1541, 1727, 2211, 3611, 4623, 5181, 10519, 10833, 16951, 31557, 39721, 50853, 115709, 119163, 241937, 347127, 725811, 2661307, 7983921]

約数ペア:

[(1, 7983921), (3, 2661307), (11, 725811), (23, 347127), (33, 241937), (67, 119163), (69, 115709), (157, 50853), (201, 39721), (253, 31557), (471, 16951), (737, 10833), (759, 10519), (1541, 5181), (1727, 4623), (2211, 3611)]