51218907

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{661}}^1\times {\mathrm{1123}}^1$

素因数の和:1810

約数の個数: 16

約数和(自身を含む): 71432448

約数和(自身を除く): 20213541

約数列:

[1, 3, 23, 69, 661, 1123, 1983, 3369, 15203, 25829, 45609, 77487, 742303, 2226909, 17072969, 51218907]

約数ペア:

[(1, 51218907), (3, 17072969), (23, 2226909), (69, 742303), (661, 77487), (1123, 45609), (1983, 25829), (3369, 15203)]