26487783

素因数分解:

$3^3\times 7^2\times {\mathrm{20021}}^1$

素因数の和:20044

約数の個数: 24

約数和(自身を含む): 45650160

約数和(自身を除く): 19162377

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 20021, 60063, 140147, 180189, 420441, 540567, 981029, 1261323, 2943087, 3783969, 8829261, 26487783]

約数ペア:

[(1, 26487783), (3, 8829261), (7, 3783969), (9, 2943087), (21, 1261323), (27, 981029), (49, 540567), (63, 420441), (147, 180189), (189, 140147), (441, 60063), (1323, 20021)]