51988005

素因数分解:

$3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{8819}}^1$

素因数の和:8961

約数の個数: 24

約数和(自身を含む): 90810720

約数和(自身を除く): 38822715

約数列:

[1, 3, 5, 9, 15, 45, 131, 393, 655, 1179, 1965, 5895, 8819, 26457, 44095, 79371, 132285, 396855, 1155289, 3465867, 5776445, 10397601, 17329335, 51988005]

約数ペア:

[(1, 51988005), (3, 17329335), (5, 10397601), (9, 5776445), (15, 3465867), (45, 1155289), (131, 396855), (393, 132285), (655, 79371), (1179, 44095), (1965, 26457), (5895, 8819)]