251940903

素因数分解:

$3^1\times {\mathrm{131}}^1\times {\mathrm{643}}^1\times {\mathrm{997}}^1$

素因数の和:1774

約数の個数: 16

約数和(自身を含む): 339351936

約数和(自身を除く): 87411033

約数列:

[1, 3, 131, 393, 643, 997, 1929, 2991, 84233, 130607, 252699, 391821, 641071, 1923213, 83980301, 251940903]

約数ペア:

[(1, 251940903), (3, 83980301), (131, 1923213), (393, 641071), (643, 391821), (997, 252699), (1929, 130607), (2991, 84233)]