1854009

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{487}}^1$

素因数の和:546

約数の個数: 20

約数和(自身を含む): 2834304

約数和(自身を除く): 980295

約数列:

[1, 3, 9, 27, 47, 81, 141, 423, 487, 1269, 1461, 3807, 4383, 13149, 22889, 39447, 68667, 206001, 618003, 1854009]

約数ペア:

[(1, 1854009), (3, 618003), (9, 206001), (27, 68667), (47, 39447), (81, 22889), (141, 13149), (423, 4383), (487, 3807), (1269, 1461)]