1687509681

素因数分解:

$3^1\times {\mathrm{11}}^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1$

素因数の和:156

約数の個数: 128

約数和(自身を含む): 2951424000

約数和(自身を除く): 1263914319

約数列:

[1, 3, 11, 13, 19, 29, 33, 39, 57, 59, 87, 121, 143, 177, 209, 247, 319, 363, 377, 429, 551, 627, 649, 741, 767, 957, 1121, 1131, 1331, 1573, 1653, 1711, 1947, 2299, 2301, 2717, 3363, 3509, 3993, 4147, 4719, 5133, 6061, 6897, 7139, 7163, 8151, 8437, 10527, 12331, 12441, 14573, 17303, 18183, 18821, 21417, 21489, 22243, 25289, 25311, 29887, 32509, 36993, 38599, 43719, 45617, 51909, 56463, 66671, 66729, 75867, 78529, 78793, 89661, 92807, 97527, 115797, 135641, 136851, 160303, 200013, 207031, 235587, 236379, 244673, 278421, 328757, 357599, 406923, 422617, 480909, 501787, 621093, 733381, 734019, 866723, 986271, 1020877, 1072797, 1267851, 1492051, 1505361, 1763333, 2200143, 2277341, 2600169, 2691403, 3062631, 3933589, 4476153, 4648787, 5289999, 6832023, 8074209, 9533953, 11800767, 13946361, 19396663, 28601859, 29605433, 43269479, 51136657, 58189989, 88816299, 129808437, 153409971, 562503227, 1687509681]

約数ペア:

[(1, 1687509681), (3, 562503227), (11, 153409971), (13, 129808437), (19, 88816299), (29, 58189989), (33, 51136657), (39, 43269479), (57, 29605433), (59, 28601859), (87, 19396663), (121, 13946361), (143, 11800767), (177, 9533953), (209, 8074209), (247, 6832023), (319, 5289999), (363, 4648787), (377, 4476153), (429, 3933589), (551, 3062631), (627, 2691403), (649, 2600169), (741, 2277341), (767, 2200143), (957, 1763333), (1121, 1505361), (1131, 1492051), (1331, 1267851), (1573, 1072797), (1653, 1020877), (1711, 986271), (1947, 866723), (2299, 734019), (2301, 733381), (2717, 621093), (3363, 501787), (3509, 480909), (3993, 422617), (4147, 406923), (4719, 357599), (5133, 328757), (6061, 278421), (6897, 244673), (7139, 236379), (7163, 235587), (8151, 207031), (8437, 200013), (10527, 160303), (12331, 136851), (12441, 135641), (14573, 115797), (17303, 97527), (18183, 92807), (18821, 89661), (21417, 78793), (21489, 78529), (22243, 75867), (25289, 66729), (25311, 66671), (29887, 56463), (32509, 51909), (36993, 45617), (38599, 43719)]