28418229

素因数分解:

$3^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{2837}}^1$

素因数の和:2906

約数の個数: 32

約数和(自身を含む): 49040640

約数和(自身を除く): 20622411

約数列:

[1, 3, 7, 9, 21, 27, 53, 63, 159, 189, 371, 477, 1113, 1431, 2837, 3339, 8511, 10017, 19859, 25533, 59577, 76599, 150361, 178731, 451083, 536193, 1052527, 1353249, 3157581, 4059747, 9472743, 28418229]

約数ペア:

[(1, 28418229), (3, 9472743), (7, 4059747), (9, 3157581), (21, 1353249), (27, 1052527), (53, 536193), (63, 451083), (159, 178731), (189, 150361), (371, 76599), (477, 59577), (1113, 25533), (1431, 19859), (2837, 10017), (3339, 8511)]