28228245

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{4813}}^1$

素因数の和:4861

約数の個数: 32

約数和(自身を含む): 49911552

約数和(自身を除く): 21683307

約数列:

[1, 3, 5, 15, 17, 23, 51, 69, 85, 115, 255, 345, 391, 1173, 1955, 4813, 5865, 14439, 24065, 72195, 81821, 110699, 245463, 332097, 409105, 553495, 1227315, 1660485, 1881883, 5645649, 9409415, 28228245]

約数ペア:

[(1, 28228245), (3, 9409415), (5, 5645649), (15, 1881883), (17, 1660485), (23, 1227315), (51, 553495), (69, 409105), (85, 332097), (115, 245463), (255, 110699), (345, 81821), (391, 72195), (1173, 24065), (1955, 14439), (4813, 5865)]