262977

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{613}}^1$

素因数の和:640

約数の個数: 16

約数和(自身を含む): 412608

約数和(自身を除く): 149631

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 613, 1839, 6743, 7969, 20229, 23907, 87659, 262977]

約数ペア:

[(1, 262977), (3, 87659), (11, 23907), (13, 20229), (33, 7969), (39, 6743), (143, 1839), (429, 613)]