28089165

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{283}}^1\times {\mathrm{509}}^1$

素因数の和:813

約数の個数: 32

約数和(自身を含む): 48666240

約数和(自身を除く): 20577075

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 283, 509, 849, 1415, 1527, 2545, 3679, 4245, 6617, 7635, 11037, 18395, 19851, 33085, 55185, 99255, 144047, 432141, 720235, 1872611, 2160705, 5617833, 9363055, 28089165]

約数ペア:

[(1, 28089165), (3, 9363055), (5, 5617833), (13, 2160705), (15, 1872611), (39, 720235), (65, 432141), (195, 144047), (283, 99255), (509, 55185), (849, 33085), (1415, 19851), (1527, 18395), (2545, 11037), (3679, 7635), (4245, 6617)]