27440931

素因数分解:

$3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1$

素因数の和:244

約数の個数: 48

約数和(自身を含む): 45390240

約数和(自身を除く): 17949309

約数列:

[1, 3, 7, 21, 29, 41, 49, 87, 123, 147, 157, 203, 287, 471, 609, 861, 1099, 1189, 1421, 2009, 3297, 3567, 4263, 4553, 6027, 6437, 7693, 8323, 13659, 19311, 23079, 24969, 31871, 45059, 58261, 95613, 135177, 174783, 186673, 223097, 315413, 560019, 669291, 946239, 1306711, 3920133, 9146977, 27440931]

約数ペア:

[(1, 27440931), (3, 9146977), (7, 3920133), (21, 1306711), (29, 946239), (41, 669291), (49, 560019), (87, 315413), (123, 223097), (147, 186673), (157, 174783), (203, 135177), (287, 95613), (471, 58261), (609, 45059), (861, 31871), (1099, 24969), (1189, 23079), (1421, 19311), (2009, 13659), (3297, 8323), (3567, 7693), (4263, 6437), (4553, 6027)]