81206874

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3769}}^1$

素因数の和:3809

約数の個数: 80

約数和(自身を含む): 218961600

約数和(自身を除く): 137754726

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 27, 38, 42, 54, 57, 63, 81, 114, 126, 133, 162, 171, 189, 266, 342, 378, 399, 513, 567, 798, 1026, 1134, 1197, 1539, 2394, 3078, 3591, 3769, 7182, 7538, 10773, 11307, 21546, 22614, 26383, 33921, 52766, 67842, 71611, 79149, 101763, 143222, 158298, 203526, 214833, 237447, 305289, 429666, 474894, 501277, 610578, 644499, 712341, 1002554, 1288998, 1424682, 1503831, 1933497, 2137023, 3007662, 3866994, 4274046, 4511493, 5800491, 9022986, 11600982, 13534479, 27068958, 40603437, 81206874]

約数ペア:

[(1, 81206874), (2, 40603437), (3, 27068958), (6, 13534479), (7, 11600982), (9, 9022986), (14, 5800491), (18, 4511493), (19, 4274046), (21, 3866994), (27, 3007662), (38, 2137023), (42, 1933497), (54, 1503831), (57, 1424682), (63, 1288998), (81, 1002554), (114, 712341), (126, 644499), (133, 610578), (162, 501277), (171, 474894), (189, 429666), (266, 305289), (342, 237447), (378, 214833), (399, 203526), (513, 158298), (567, 143222), (798, 101763), (1026, 79149), (1134, 71611), (1197, 67842), (1539, 52766), (2394, 33921), (3078, 26383), (3591, 22614), (3769, 21546), (7182, 11307), (7538, 10773)]