2047563

素因数分解:

$3^2\times 7^2\times {\mathrm{4643}}^1$

素因数の和:4663

約数の個数: 18

約数和(自身を含む): 3441204

約数和(自身を除く): 1393641

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 4643, 13929, 32501, 41787, 97503, 227507, 292509, 682521, 2047563]

約数ペア:

[(1, 2047563), (3, 682521), (7, 292509), (9, 227507), (21, 97503), (49, 41787), (63, 32501), (147, 13929), (441, 4643)]