30640521

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{281}}^1\times {\mathrm{1913}}^1$

素因数の和:2216

約数の個数: 16

約数和(自身を含む): 43179840

約数和(自身を除く): 12539319

約数列:

[1, 3, 19, 57, 281, 843, 1913, 5339, 5739, 16017, 36347, 109041, 537553, 1612659, 10213507, 30640521]

約数ペア:

[(1, 30640521), (3, 10213507), (19, 1612659), (57, 537553), (281, 109041), (843, 36347), (1913, 16017), (5339, 5739)]