18321327

素因数分解:

$3^2\times {\mathrm{37}}^2\times {\mathrm{1487}}^1$

素因数の和:1567

約数の個数: 18

約数和(自身を含む): 27217008

約数和(自身を除く): 8895681

約数列:

[1, 3, 9, 37, 111, 333, 1369, 1487, 4107, 4461, 12321, 13383, 55019, 165057, 495171, 2035703, 6107109, 18321327]

約数ペア:

[(1, 18321327), (3, 6107109), (9, 2035703), (37, 495171), (111, 165057), (333, 55019), (1369, 13383), (1487, 12321), (4107, 4461)]