56783391

素因数分解:

$3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{20641}}^1$

素因数の和:20782

約数の個数: 16

約数和(自身を含む): 87191808

約数和(自身を除く): 30408417

約数列:

[1, 3, 7, 21, 131, 393, 917, 2751, 20641, 61923, 144487, 433461, 2703971, 8111913, 18927797, 56783391]

約数ペア:

[(1, 56783391), (3, 18927797), (7, 8111913), (21, 2703971), (131, 433461), (393, 144487), (917, 61923), (2751, 20641)]