28062111

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:180

約数の個数: 64

約数和(自身を含む): 49766400

約数和(自身を除く): 21704289

約数列:

[1, 3, 7, 11, 21, 29, 33, 59, 71, 77, 87, 177, 203, 213, 231, 319, 413, 497, 609, 649, 781, 957, 1239, 1491, 1711, 1947, 2059, 2233, 2343, 4189, 4543, 5133, 5467, 6177, 6699, 11977, 12567, 13629, 14413, 16401, 18821, 22649, 29323, 35931, 43239, 46079, 56463, 67947, 87969, 121481, 131747, 138237, 158543, 322553, 364443, 395241, 475629, 850367, 967659, 1336291, 2551101, 4008873, 9354037, 28062111]

約数ペア:

[(1, 28062111), (3, 9354037), (7, 4008873), (11, 2551101), (21, 1336291), (29, 967659), (33, 850367), (59, 475629), (71, 395241), (77, 364443), (87, 322553), (177, 158543), (203, 138237), (213, 131747), (231, 121481), (319, 87969), (413, 67947), (497, 56463), (609, 46079), (649, 43239), (781, 35931), (957, 29323), (1239, 22649), (1491, 18821), (1711, 16401), (1947, 14413), (2059, 13629), (2233, 12567), (2343, 11977), (4189, 6699), (4543, 6177), (5133, 5467)]