255207687

素因数分解:

$3^1\times 7^1\times {\mathrm{607}}^1\times {\mathrm{20021}}^1$

素因数の和:20638

約数の個数: 16

約数和(自身を含む): 389548032

約数和(自身を除く): 134340345

約数列:

[1, 3, 7, 21, 607, 1821, 4249, 12747, 20021, 60063, 140147, 420441, 12152747, 36458241, 85069229, 255207687]

約数ペア:

[(1, 255207687), (3, 85069229), (7, 36458241), (21, 12152747), (607, 420441), (1821, 140147), (4249, 60063), (12747, 20021)]