261869439273

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{353400053}}^1$

素因数の和:353400088

約数の個数: 16

約数和(自身を含む): 395808060480

約数和(自身を除く): 133938621207

約数列:

[1, 3, 13, 19, 39, 57, 247, 741, 353400053, 1060200159, 4594200689, 6714601007, 13782602067, 20143803021, 87289813091, 261869439273]

約数ペア:

[(1, 261869439273), (3, 87289813091), (13, 20143803021), (19, 13782602067), (39, 6714601007), (57, 4594200689), (247, 1060200159), (741, 353400053)]