28321947

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{773}}^1$

素因数の和:864

約数の個数: 32

約数和(自身を含む): 44582400

約数和(自身を除く): 16260453

約数列:

[1, 3, 9, 23, 27, 59, 69, 177, 207, 531, 621, 773, 1357, 1593, 2319, 4071, 6957, 12213, 17779, 20871, 36639, 45607, 53337, 136821, 160011, 410463, 480033, 1048961, 1231389, 3146883, 9440649, 28321947]

約数ペア:

[(1, 28321947), (3, 9440649), (9, 3146883), (23, 1231389), (27, 1048961), (59, 480033), (69, 410463), (177, 160011), (207, 136821), (531, 53337), (621, 45607), (773, 36639), (1357, 20871), (1593, 17779), (2319, 12213), (4071, 6957)]