27747279

素因数分解:

$3^4\times 7^2\times {\mathrm{6991}}^1$

素因数の和:7017

約数の個数: 30

約数和(自身を含む): 48223824

約数和(自身を除く): 20476545

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3969, 6991, 20973, 48937, 62919, 146811, 188757, 342559, 440433, 566271, 1027677, 1321299, 3083031, 3963897, 9249093, 27747279]

約数ペア:

[(1, 27747279), (3, 9249093), (7, 3963897), (9, 3083031), (21, 1321299), (27, 1027677), (49, 566271), (63, 440433), (81, 342559), (147, 188757), (189, 146811), (441, 62919), (567, 48937), (1323, 20973), (3969, 6991)]