28907055

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1303}}^1$

素因数の和:1360

約数の個数: 48

約数和(自身を含む): 54924480

約数和(自身を除く): 26017425

約数列:

[1, 3, 5, 9, 15, 17, 29, 45, 51, 85, 87, 145, 153, 255, 261, 435, 493, 765, 1303, 1305, 1479, 2465, 3909, 4437, 6515, 7395, 11727, 19545, 22151, 22185, 37787, 58635, 66453, 110755, 113361, 188935, 199359, 332265, 340083, 566805, 642379, 996795, 1700415, 1927137, 3211895, 5781411, 9635685, 28907055]

約数ペア:

[(1, 28907055), (3, 9635685), (5, 5781411), (9, 3211895), (15, 1927137), (17, 1700415), (29, 996795), (45, 642379), (51, 566805), (85, 340083), (87, 332265), (145, 199359), (153, 188935), (255, 113361), (261, 110755), (435, 66453), (493, 58635), (765, 37787), (1303, 22185), (1305, 22151), (1479, 19545), (2465, 11727), (3909, 7395), (4437, 6515)]