556491

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{751}}^1$

素因数の和:786

約数の個数: 16

約数和(自身を含む): 842240

約数和(自身を除く): 285749

約数列:

[1, 3, 13, 19, 39, 57, 247, 741, 751, 2253, 9763, 14269, 29289, 42807, 185497, 556491]

約数ペア:

[(1, 556491), (3, 185497), (13, 42807), (19, 29289), (39, 14269), (57, 9763), (247, 2253), (741, 751)]