280154781

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{6563}}^1$

素因数の和:6623

約数の個数: 40

約数和(自身を含む): 457484544

約数和(自身を除く): 177329763

約数列:

[1, 3, 9, 17, 27, 31, 51, 81, 93, 153, 279, 459, 527, 837, 1377, 1581, 2511, 4743, 6563, 14229, 19689, 42687, 59067, 111571, 177201, 203453, 334713, 531603, 610359, 1004139, 1831077, 3012417, 3458701, 5493231, 9037251, 10376103, 16479693, 31128309, 93384927, 280154781]

約数ペア:

[(1, 280154781), (3, 93384927), (9, 31128309), (17, 16479693), (27, 10376103), (31, 9037251), (51, 5493231), (81, 3458701), (93, 3012417), (153, 1831077), (279, 1004139), (459, 610359), (527, 531603), (837, 334713), (1377, 203453), (1581, 177201), (2511, 111571), (4743, 59067), (6563, 42687), (14229, 19689)]