3947793417

素因数分解:

$3^3\times {\mathrm{157}}^1\times {\mathrm{931303}}^1$

素因数の和:931469

約数の個数: 16

約数和(自身を含む): 5885841280

約数和(自身を除く): 1938047863

約数列:

[1, 3, 9, 27, 157, 471, 1413, 4239, 931303, 2793909, 8381727, 25145181, 146214571, 438643713, 1315931139, 3947793417]

約数ペア:

[(1, 3947793417), (3, 1315931139), (9, 438643713), (27, 146214571), (157, 25145181), (471, 8381727), (1413, 2793909), (4239, 931303)]