28085655

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1973}}^1$

素因数の和:2067

約数の個数: 32

約数和(自身を含む): 49081536

約数和(自身を除く): 20995881

約数列:

[1, 3, 5, 13, 15, 39, 65, 73, 195, 219, 365, 949, 1095, 1973, 2847, 4745, 5919, 9865, 14235, 25649, 29595, 76947, 128245, 144029, 384735, 432087, 720145, 1872377, 2160435, 5617131, 9361885, 28085655]

約数ペア:

[(1, 28085655), (3, 9361885), (5, 5617131), (13, 2160435), (15, 1872377), (39, 720145), (65, 432087), (73, 384735), (195, 144029), (219, 128245), (365, 76947), (949, 29595), (1095, 25649), (1973, 14235), (2847, 9865), (4745, 5919)]