31481265

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{433}}^1$

素因数の和:609

約数の個数: 32

約数和(自身を含む): 52246656

約数和(自身を除く): 20765391

約数列:

[1, 3, 5, 15, 37, 111, 131, 185, 393, 433, 555, 655, 1299, 1965, 2165, 4847, 6495, 14541, 16021, 24235, 48063, 56723, 72705, 80105, 170169, 240315, 283615, 850845, 2098751, 6296253, 10493755, 31481265]

約数ペア:

[(1, 31481265), (3, 10493755), (5, 6296253), (15, 2098751), (37, 850845), (111, 283615), (131, 240315), (185, 170169), (393, 80105), (433, 72705), (555, 56723), (655, 48063), (1299, 24235), (1965, 16021), (2165, 14541), (4847, 6495)]