40389237

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{17327}}^1$

素因数の和:17377

約数の個数: 24

約数和(自身を含む): 68480256

約数和(自身を除く): 28091019

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 259, 333, 777, 2331, 17327, 51981, 121289, 155943, 363867, 641099, 1091601, 1923297, 4487693, 5769891, 13463079, 40389237]

約数ペア:

[(1, 40389237), (3, 13463079), (7, 5769891), (9, 4487693), (21, 1923297), (37, 1091601), (63, 641099), (111, 363867), (259, 155943), (333, 121289), (777, 51981), (2331, 17327)]