25293009

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{63391}}^1$

素因数の和:63420

約数の個数: 16

約数和(自身を含む): 40570880

約数和(自身を除く): 15277871

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 63391, 190173, 443737, 1204429, 1331211, 3613287, 8431003, 25293009]

約数ペア:

[(1, 25293009), (3, 8431003), (7, 3613287), (19, 1331211), (21, 1204429), (57, 443737), (133, 190173), (399, 63391)]