51415539

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{128861}}^1$

素因数の和:128890

約数の個数: 16

約数和(自身を含む): 82471680

約数和(自身を除く): 31056141

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 128861, 386583, 902027, 2448359, 2706081, 7345077, 17138513, 51415539]

約数ペア:

[(1, 51415539), (3, 17138513), (7, 7345077), (19, 2706081), (21, 2448359), (57, 902027), (133, 386583), (399, 128861)]