28732185

素因数分解:

$3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{179}}^1$

素因数の和:263

約数の個数: 64

約数和(自身を含む): 54432000

約数和(自身を除く): 25699815

約数列:

[1, 3, 5, 9, 15, 27, 29, 41, 45, 87, 123, 135, 145, 179, 205, 261, 369, 435, 537, 615, 783, 895, 1107, 1189, 1305, 1611, 1845, 2685, 3567, 3915, 4833, 5191, 5535, 5945, 7339, 8055, 10701, 15573, 17835, 22017, 24165, 25955, 32103, 36695, 46719, 53505, 66051, 77865, 110085, 140157, 160515, 198153, 212831, 233595, 330255, 638493, 700785, 990765, 1064155, 1915479, 3192465, 5746437, 9577395, 28732185]

約数ペア:

[(1, 28732185), (3, 9577395), (5, 5746437), (9, 3192465), (15, 1915479), (27, 1064155), (29, 990765), (41, 700785), (45, 638493), (87, 330255), (123, 233595), (135, 212831), (145, 198153), (179, 160515), (205, 140157), (261, 110085), (369, 77865), (435, 66051), (537, 53505), (615, 46719), (783, 36695), (895, 32103), (1107, 25955), (1189, 24165), (1305, 22017), (1611, 17835), (1845, 15573), (2685, 10701), (3567, 8055), (3915, 7339), (4833, 5945), (5191, 5535)]