51515289

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43037}}^1$

素因数の和:43069

約数の個数: 24

約数和(自身を含む): 89519040

約数和(自身を除く): 38003751

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 43037, 129111, 301259, 387333, 817703, 903777, 2453109, 2711331, 5723921, 7359327, 17171763, 51515289]

約数ペア:

[(1, 51515289), (3, 17171763), (7, 7359327), (9, 5723921), (19, 2711331), (21, 2453109), (57, 903777), (63, 817703), (133, 387333), (171, 301259), (399, 129111), (1197, 43037)]