27629721

素因数分解:

$3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{71}}^2$

素因数の和:187

約数の個数: 48

約数和(自身を含む): 49084800

約数和(自身を除く): 21455079

約数列:

[1, 3, 7, 9, 21, 27, 29, 63, 71, 87, 189, 203, 213, 261, 497, 609, 639, 783, 1491, 1827, 1917, 2059, 4473, 5041, 5481, 6177, 13419, 14413, 15123, 18531, 35287, 43239, 45369, 55593, 105861, 129717, 136107, 146189, 317583, 389151, 438567, 952749, 1023323, 1315701, 3069969, 3947103, 9209907, 27629721]

約数ペア:

[(1, 27629721), (3, 9209907), (7, 3947103), (9, 3069969), (21, 1315701), (27, 1023323), (29, 952749), (63, 438567), (71, 389151), (87, 317583), (189, 146189), (203, 136107), (213, 129717), (261, 105861), (497, 55593), (609, 45369), (639, 43239), (783, 35287), (1491, 18531), (1827, 15123), (1917, 14413), (2059, 13419), (4473, 6177), (5041, 5481)]