28520793

素因数分解:

$3^2\times 7^3\times {\mathrm{9239}}^1$

素因数の和:9266

約数の個数: 24

約数和(自身を含む): 48048000

約数和(自身を除く): 19527207

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 1029, 3087, 9239, 27717, 64673, 83151, 194019, 452711, 582057, 1358133, 3168977, 4074399, 9506931, 28520793]

約数ペア:

[(1, 28520793), (3, 9506931), (7, 4074399), (9, 3168977), (21, 1358133), (49, 582057), (63, 452711), (147, 194019), (343, 83151), (441, 64673), (1029, 27717), (3087, 9239)]