81041805

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{281}}^1$

素因数の和:351

約数の個数: 96

約数和(自身を含む): 166289760

約数和(自身を除く): 85247955

約数列:

[1, 3, 5, 9, 13, 15, 17, 29, 39, 45, 51, 65, 85, 87, 117, 145, 153, 195, 221, 255, 261, 281, 377, 435, 493, 585, 663, 765, 843, 1105, 1131, 1305, 1405, 1479, 1885, 1989, 2465, 2529, 3315, 3393, 3653, 4215, 4437, 4777, 5655, 6409, 7395, 8149, 9945, 10959, 12645, 14331, 16965, 18265, 19227, 22185, 23885, 24447, 32045, 32877, 40745, 42993, 54795, 57681, 62101, 71655, 73341, 96135, 105937, 122235, 138533, 164385, 186303, 214965, 288405, 310505, 317811, 366705, 415599, 529685, 558909, 692665, 931515, 953433, 1246797, 1589055, 1800929, 2077995, 2794545, 4767165, 5402787, 6233985, 9004645, 16208361, 27013935, 81041805]

約数ペア:

[(1, 81041805), (3, 27013935), (5, 16208361), (9, 9004645), (13, 6233985), (15, 5402787), (17, 4767165), (29, 2794545), (39, 2077995), (45, 1800929), (51, 1589055), (65, 1246797), (85, 953433), (87, 931515), (117, 692665), (145, 558909), (153, 529685), (195, 415599), (221, 366705), (255, 317811), (261, 310505), (281, 288405), (377, 214965), (435, 186303), (493, 164385), (585, 138533), (663, 122235), (765, 105937), (843, 96135), (1105, 73341), (1131, 71655), (1305, 62101), (1405, 57681), (1479, 54795), (1885, 42993), (1989, 40745), (2465, 32877), (2529, 32045), (3315, 24447), (3393, 23885), (3653, 22185), (4215, 19227), (4437, 18265), (4777, 16965), (5655, 14331), (6409, 12645), (7395, 10959), (8149, 9945)]