25685445

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{431}}^1$

素因数の和:605

約数の個数: 32

約数和(自身を含む): 42923520

約数和(自身を除く): 17238075

約数列:

[1, 3, 5, 15, 29, 87, 137, 145, 411, 431, 435, 685, 1293, 2055, 2155, 3973, 6465, 11919, 12499, 19865, 37497, 59047, 59595, 62495, 177141, 187485, 295235, 885705, 1712363, 5137089, 8561815, 25685445]

約数ペア:

[(1, 25685445), (3, 8561815), (5, 5137089), (15, 1712363), (29, 885705), (87, 295235), (137, 187485), (145, 177141), (411, 62495), (431, 59595), (435, 59047), (685, 37497), (1293, 19865), (2055, 12499), (2155, 11919), (3973, 6465)]