81284925

素因数分解:

$3^1\times 5^2\times {\mathrm{433}}^1\times {\mathrm{2503}}^1$

素因数の和:2949

約数の個数: 24

約数和(自身を含む): 134755264

約数和(自身を除く): 53470339

約数列:

[1, 3, 5, 15, 25, 75, 433, 1299, 2165, 2503, 6495, 7509, 10825, 12515, 32475, 37545, 62575, 187725, 1083799, 3251397, 5418995, 16256985, 27094975, 81284925]

約数ペア:

[(1, 81284925), (3, 27094975), (5, 16256985), (15, 5418995), (25, 3251397), (75, 1083799), (433, 187725), (1299, 62575), (2165, 37545), (2503, 32475), (6495, 12515), (7509, 10825)]