687068481

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{883}}^1$

素因数の和:1006

約数の個数: 64

約数和(自身を含む): 1130388480

約数和(自身を除く): 443319999

約数列:

[1, 3, 11, 17, 19, 33, 51, 57, 73, 187, 209, 219, 323, 561, 627, 803, 883, 969, 1241, 1387, 2409, 2649, 3553, 3723, 4161, 9713, 10659, 13651, 15011, 15257, 16777, 23579, 29139, 40953, 45033, 45771, 50331, 64459, 70737, 165121, 184547, 193377, 259369, 285209, 495363, 553641, 709049, 778107, 855627, 1095803, 1224721, 2127147, 3137299, 3287409, 3674163, 9411897, 12053833, 13471931, 20820257, 36161499, 40415793, 62460771, 229022827, 687068481]

約数ペア:

[(1, 687068481), (3, 229022827), (11, 62460771), (17, 40415793), (19, 36161499), (33, 20820257), (51, 13471931), (57, 12053833), (73, 9411897), (187, 3674163), (209, 3287409), (219, 3137299), (323, 2127147), (561, 1224721), (627, 1095803), (803, 855627), (883, 778107), (969, 709049), (1241, 553641), (1387, 495363), (2409, 285209), (2649, 259369), (3553, 193377), (3723, 184547), (4161, 165121), (9713, 70737), (10659, 64459), (13651, 50331), (15011, 45771), (15257, 45033), (16777, 40953), (23579, 29139)]