421548543

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{400331}}^1$

素因数の和:400356

約数の個数: 20

約数和(自身を含む): 678162408

約数和(自身を除く): 256613865

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 400331, 1200993, 3602979, 5204303, 10808937, 15612909, 32426811, 46838727, 140516181, 421548543]

約数ペア:

[(1, 421548543), (3, 140516181), (9, 46838727), (13, 32426811), (27, 15612909), (39, 10808937), (81, 5204303), (117, 3602979), (351, 1200993), (1053, 400331)]