25261065

素因数分解:

$3^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1223}}^1$

素因数の和:1260

約数の個数: 48

約数和(自身を含む): 48117888

約数和(自身を除く): 22856823

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 81, 85, 135, 153, 243, 255, 405, 459, 765, 1215, 1223, 1377, 2295, 3669, 4131, 6115, 6885, 11007, 18345, 20655, 20791, 33021, 55035, 62373, 99063, 103955, 165105, 187119, 297189, 311865, 495315, 561357, 935595, 1485945, 1684071, 2806785, 5052213, 8420355, 25261065]

約数ペア:

[(1, 25261065), (3, 8420355), (5, 5052213), (9, 2806785), (15, 1684071), (17, 1485945), (27, 935595), (45, 561357), (51, 495315), (81, 311865), (85, 297189), (135, 187119), (153, 165105), (243, 103955), (255, 99063), (405, 62373), (459, 55035), (765, 33021), (1215, 20791), (1223, 20655), (1377, 18345), (2295, 11007), (3669, 6885), (4131, 6115)]