2850813

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1223}}^1$

素因数の和:1273

約数の個数: 24

約数和(自身を含む): 4837248

約数和(自身を除く): 1986435

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 259, 333, 777, 1223, 2331, 3669, 8561, 11007, 25683, 45251, 77049, 135753, 316757, 407259, 950271, 2850813]

約数ペア:

[(1, 2850813), (3, 950271), (7, 407259), (9, 316757), (21, 135753), (37, 77049), (63, 45251), (111, 25683), (259, 11007), (333, 8561), (777, 3669), (1223, 2331)]