55540401

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{139199}}^1$

素因数の和:139228

約数の個数: 16

約数和(自身を含む): 89088000

約数和(自身を除く): 33547599

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 139199, 417597, 974393, 2644781, 2923179, 7934343, 18513467, 55540401]

約数ペア:

[(1, 55540401), (3, 18513467), (7, 7934343), (19, 2923179), (21, 2644781), (57, 974393), (133, 417597), (399, 139199)]