204466563

素因数分解:

$3^2\times 7^2\times {\mathrm{463643}}^1$

素因数の和:463663

約数の個数: 18

約数和(自身を含む): 343560204

約数和(自身を除く): 139093641

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 463643, 1390929, 3245501, 4172787, 9736503, 22718507, 29209509, 68155521, 204466563]

約数ペア:

[(1, 204466563), (3, 68155521), (7, 29209509), (9, 22718507), (21, 9736503), (49, 4172787), (63, 3245501), (147, 1390929), (441, 463643)]