261330257007

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{1528247117}}^1$

素因数の和:1528247142

約数の個数: 12

約数和(自身を含む): 397344250680

約数和(自身を除く): 136013993673

約数列:

[1, 3, 9, 19, 57, 171, 1528247117, 4584741351, 13754224053, 29036695223, 87110085669, 261330257007]

約数ペア:

[(1, 261330257007), (3, 87110085669), (9, 29036695223), (19, 13754224053), (57, 4584741351), (171, 1528247117)]