71800155

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{75979}}^1$

素因数の和:76000

約数の個数: 32

約数和(自身を含む): 145881600

約数和(自身を除く): 74081445

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 75979, 227937, 379895, 531853, 683811, 1139685, 1595559, 2051433, 2659265, 3419055, 4786677, 7977795, 10257165, 14360031, 23933385, 71800155]

約数ペア:

[(1, 71800155), (3, 23933385), (5, 14360031), (7, 10257165), (9, 7977795), (15, 4786677), (21, 3419055), (27, 2659265), (35, 2051433), (45, 1595559), (63, 1139685), (105, 683811), (135, 531853), (189, 379895), (315, 227937), (945, 75979)]