15780315

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{28433}}^1$

素因数の和:28478

約数の個数: 16

約数和(自身を含む): 25931808

約数和(自身を除く): 10151493

約数列:

[1, 3, 5, 15, 37, 111, 185, 555, 28433, 85299, 142165, 426495, 1052021, 3156063, 5260105, 15780315]

約数ペア:

[(1, 15780315), (3, 5260105), (5, 3156063), (15, 1052021), (37, 426495), (111, 142165), (185, 85299), (555, 28433)]