201779181

素因数分解:

$3^7\times {\mathrm{257}}^1\times {\mathrm{359}}^1$

素因数の和:637

約数の個数: 32

約数和(自身を含む): 304646400

約数和(自身を除く): 102867219

約数列:

[1, 3, 9, 27, 81, 243, 257, 359, 729, 771, 1077, 2187, 2313, 3231, 6939, 9693, 20817, 29079, 62451, 87237, 92263, 187353, 261711, 276789, 562059, 785133, 830367, 2491101, 7473303, 22419909, 67259727, 201779181]

約数ペア:

[(1, 201779181), (3, 67259727), (9, 22419909), (27, 7473303), (81, 2491101), (243, 830367), (257, 785133), (359, 562059), (729, 276789), (771, 261711), (1077, 187353), (2187, 92263), (2313, 87237), (3231, 62451), (6939, 29079), (9693, 20817)]