205637481

素因数分解:

$3^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{25303}}^1$

素因数の和:25362

約数の個数: 32

約数和(自身を含む): 356280320

約数和(自身を除く): 150642839

約数列:

[1, 3, 7, 9, 21, 27, 43, 63, 129, 189, 301, 387, 903, 1161, 2709, 8127, 25303, 75909, 177121, 227727, 531363, 683181, 1088029, 1594089, 3264087, 4782267, 7616203, 9792261, 22848609, 29376783, 68545827, 205637481]

約数ペア:

[(1, 205637481), (3, 68545827), (7, 29376783), (9, 22848609), (21, 9792261), (27, 7616203), (43, 4782267), (63, 3264087), (129, 1594089), (189, 1088029), (301, 683181), (387, 531363), (903, 227727), (1161, 177121), (2709, 75909), (8127, 25303)]