57216999

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{143401}}^1$

素因数の和:143430

約数の個数: 16

約数和(自身を含む): 91777280

約数和(自身を除く): 34560281

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 143401, 430203, 1003807, 2724619, 3011421, 8173857, 19072333, 57216999]

約数ペア:

[(1, 57216999), (3, 19072333), (7, 8173857), (19, 3011421), (21, 2724619), (57, 1003807), (133, 430203), (399, 143401)]