247573347

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{4273}}^1$

素因数の和:4403

約数の個数: 32

約数和(自身を含む): 393891840

約数和(自身を除く): 146318493

約数列:

[1, 3, 7, 21, 31, 89, 93, 217, 267, 623, 651, 1869, 2759, 4273, 8277, 12819, 19313, 29911, 57939, 89733, 132463, 380297, 397389, 927241, 1140891, 2662079, 2781723, 7986237, 11789207, 35367621, 82524449, 247573347]

約数ペア:

[(1, 247573347), (3, 82524449), (7, 35367621), (21, 11789207), (31, 7986237), (89, 2781723), (93, 2662079), (217, 1140891), (267, 927241), (623, 397389), (651, 380297), (1869, 132463), (2759, 89733), (4273, 57939), (8277, 29911), (12819, 19313)]