1551180813

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{5681981}}^1$

素因数の和:5682004

約数の個数: 16

約数和(自身を含む): 2545527936

約数和(自身を除く): 994347123

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 5681981, 17045943, 39773867, 73865753, 119321601, 221597259, 517060271, 1551180813]

約数ペア:

[(1, 1551180813), (3, 517060271), (7, 221597259), (13, 119321601), (21, 73865753), (39, 39773867), (91, 17045943), (273, 5681981)]