247683513

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{28979}}^1$

素因数の和:29037

約数の個数: 32

約数和(自身を含む): 422876160

約数和(自身を除く): 175192647

約数列:

[1, 3, 7, 11, 21, 33, 37, 77, 111, 231, 259, 407, 777, 1221, 2849, 8547, 28979, 86937, 202853, 318769, 608559, 956307, 1072223, 2231383, 3216669, 6694149, 7505561, 11794453, 22516683, 35383359, 82561171, 247683513]

約数ペア:

[(1, 247683513), (3, 82561171), (7, 35383359), (11, 22516683), (21, 11794453), (33, 7505561), (37, 6694149), (77, 3216669), (111, 2231383), (231, 1072223), (259, 956307), (407, 608559), (777, 318769), (1221, 202853), (2849, 86937), (8547, 28979)]