55071495

素因数分解:

$3^4\times 5^1\times {\mathrm{135979}}^1$

素因数の和:135996

約数の個数: 20

約数和(自身を含む): 98721480

約数和(自身を除く): 43649985

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 135979, 407937, 679895, 1223811, 2039685, 3671433, 6119055, 11014299, 18357165, 55071495]

約数ペア:

[(1, 55071495), (3, 18357165), (5, 11014299), (9, 6119055), (15, 3671433), (27, 2039685), (45, 1223811), (81, 679895), (135, 407937), (405, 135979)]