1257081

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1931}}^1$

素因数の和:1972

約数の個数: 16

約数和(自身を含む): 1978368

約数和(自身を除く): 721287

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 1931, 5793, 13517, 40551, 59861, 179583, 419027, 1257081]

約数ペア:

[(1, 1257081), (3, 419027), (7, 179583), (21, 59861), (31, 40551), (93, 13517), (217, 5793), (651, 1931)]