51998751

素因数分解:

$3^2\times 7^2\times {\mathrm{117911}}^1$

素因数の和:117931

約数の個数: 18

約数和(自身を含む): 87372792

約数和(自身を除く): 35374041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 117911, 353733, 825377, 1061199, 2476131, 5777639, 7428393, 17332917, 51998751]

約数ペア:

[(1, 51998751), (3, 17332917), (7, 7428393), (9, 5777639), (21, 2476131), (49, 1061199), (63, 825377), (147, 353733), (441, 117911)]