81427195

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{37}}^1\times {\mathrm{1523}}^1$

素因数の和:1599

約数の個数: 24

約数和(自身を含む): 106673904

約数和(自身を除く): 25246709

約数列:

[1, 5, 17, 37, 85, 185, 289, 629, 1445, 1523, 3145, 7615, 10693, 25891, 53465, 56351, 129455, 281755, 440147, 957967, 2200735, 4789835, 16285439, 81427195]

約数ペア:

[(1, 81427195), (5, 16285439), (17, 4789835), (37, 2200735), (85, 957967), (185, 440147), (289, 281755), (629, 129455), (1445, 56351), (1523, 53465), (3145, 25891), (7615, 10693)]