393267

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{307}}^1$

素因数の和:378

約数の個数: 16

約数和(自身を含む): 611072

約数和(自身を除く): 217805

約数列:

[1, 3, 7, 21, 61, 183, 307, 427, 921, 1281, 2149, 6447, 18727, 56181, 131089, 393267]

約数ペア:

[(1, 393267), (3, 131089), (7, 56181), (21, 18727), (61, 6447), (183, 2149), (307, 1281), (427, 921)]