159201

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^2$

素因数の和:58

約数の個数: 27

約数和(自身を含む): 282321

約数和(自身を除く): 123120

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 63, 133, 147, 171, 361, 399, 441, 931, 1083, 1197, 2527, 2793, 3249, 7581, 8379, 17689, 22743, 53067, 159201]

約数ペア:

[(1, 159201), (3, 53067), (7, 22743), (9, 17689), (19, 8379), (21, 7581), (49, 3249), (57, 2793), (63, 2527), (133, 1197), (147, 1083), (171, 931), (361, 441)]