1215999057

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4454209}}^1$

素因数の和:4454232

約数の個数: 16

約数和(自身を含む): 1995486080

約数和(自身を除く): 779487023

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 4454209, 13362627, 31179463, 57904717, 93538389, 173714151, 405333019, 1215999057]

約数ペア:

[(1, 1215999057), (3, 405333019), (7, 173714151), (13, 93538389), (21, 57904717), (39, 31179463), (91, 13362627), (273, 4454209)]