27457983

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1$

素因数の和:181

約数の個数: 72

約数和(自身を含む): 50684400

約数和(自身を除く): 23226417

約数列:

[1, 3, 7, 9, 19, 21, 29, 49, 57, 63, 87, 113, 133, 147, 171, 203, 261, 339, 399, 441, 551, 609, 791, 931, 1017, 1197, 1421, 1653, 1827, 2147, 2373, 2793, 3277, 3857, 4263, 4959, 5537, 6441, 7119, 8379, 9831, 11571, 12789, 15029, 16611, 19323, 22939, 26999, 29493, 34713, 45087, 49833, 62263, 68817, 80997, 105203, 135261, 160573, 186789, 206451, 242991, 315609, 435841, 481719, 560367, 946827, 1307523, 1445157, 3050887, 3922569, 9152661, 27457983]

約数ペア:

[(1, 27457983), (3, 9152661), (7, 3922569), (9, 3050887), (19, 1445157), (21, 1307523), (29, 946827), (49, 560367), (57, 481719), (63, 435841), (87, 315609), (113, 242991), (133, 206451), (147, 186789), (171, 160573), (203, 135261), (261, 105203), (339, 80997), (399, 68817), (441, 62263), (551, 49833), (609, 45087), (791, 34713), (931, 29493), (1017, 26999), (1197, 22939), (1421, 19323), (1653, 16611), (1827, 15029), (2147, 12789), (2373, 11571), (2793, 9831), (3277, 8379), (3857, 7119), (4263, 6441), (4959, 5537)]