201342519

素因数分解:

$3^2\times 7^2\times {\mathrm{456559}}^1$

素因数の和:456579

約数の個数: 18

約数和(自身を含む): 338310960

約数和(自身を除く): 136968441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 456559, 1369677, 3195913, 4109031, 9587739, 22371391, 28763217, 67114173, 201342519]

約数ペア:

[(1, 201342519), (3, 67114173), (7, 28763217), (9, 22371391), (21, 9587739), (49, 4109031), (63, 3195913), (147, 1369677), (441, 456559)]