1280285697

素因数分解:

$3^1\times {\mathrm{397}}^1\times {\mathrm{541}}^1\times {\mathrm{1987}}^1$

素因数の和:2928

約数の個数: 16

約数和(自身を含む): 1715373632

約数和(自身を除く): 435087935

約数列:

[1, 3, 397, 541, 1191, 1623, 1987, 5961, 214777, 644331, 788839, 1074967, 2366517, 3224901, 426761899, 1280285697]

約数ペア:

[(1, 1280285697), (3, 426761899), (397, 3224901), (541, 2366517), (1191, 1074967), (1623, 788839), (1987, 644331), (5961, 214777)]