208376469

素因数分解:

$3^4\times 7^2\times {\mathrm{52501}}^1$

素因数の和:52527

約数の個数: 30

約数和(自身を含む): 362106294

約数和(自身を除く): 153729825

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3969, 52501, 157503, 367507, 472509, 1102521, 1417527, 2572549, 3307563, 4252581, 7717647, 9922689, 23152941, 29768067, 69458823, 208376469]

約数ペア:

[(1, 208376469), (3, 69458823), (7, 29768067), (9, 23152941), (21, 9922689), (27, 7717647), (49, 4252581), (63, 3307563), (81, 2572549), (147, 1417527), (189, 1102521), (441, 472509), (567, 367507), (1323, 157503), (3969, 52501)]