81384315

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{285559}}^1$

素因数の和:285586

約数の個数: 16

約数和(自身を含む): 137068800

約数和(自身を除く): 55684485

約数列:

[1, 3, 5, 15, 19, 57, 95, 285, 285559, 856677, 1427795, 4283385, 5425621, 16276863, 27128105, 81384315]

約数ペア:

[(1, 81384315), (3, 27128105), (5, 16276863), (15, 5425621), (19, 4283385), (57, 1427795), (95, 856677), (285, 285559)]