147978405

素因数分解:

$3^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{18371}}^1$

素因数の和:18561

約数の個数: 24

約数和(自身を含む): 257942880

約数和(自身を除く): 109964475

約数列:

[1, 3, 5, 9, 15, 45, 179, 537, 895, 1611, 2685, 8055, 18371, 55113, 91855, 165339, 275565, 826695, 3288409, 9865227, 16442045, 29595681, 49326135, 147978405]

約数ペア:

[(1, 147978405), (3, 49326135), (5, 29595681), (9, 16442045), (15, 9865227), (45, 3288409), (179, 826695), (537, 275565), (895, 165339), (1611, 91855), (2685, 55113), (8055, 18371)]