51585513

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{129287}}^1$

素因数の和:129316

約数の個数: 16

約数和(自身を含む): 82744320

約数和(自身を除く): 31158807

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 129287, 387861, 905009, 2456453, 2715027, 7369359, 17195171, 51585513]

約数ペア:

[(1, 51585513), (3, 17195171), (7, 7369359), (19, 2715027), (21, 2456453), (57, 905009), (133, 387861), (399, 129287)]