2021497965

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{6247}}^1$

素因数の和:6328

約数の個数: 80

約数和(自身を含む): 3919145472

約数和(自身を除く): 1897647507

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 47, 51, 81, 85, 135, 141, 153, 235, 255, 405, 423, 459, 705, 765, 799, 1269, 1377, 2115, 2295, 2397, 3807, 3995, 6247, 6345, 6885, 7191, 11985, 18741, 19035, 21573, 31235, 35955, 56223, 64719, 93705, 106199, 107865, 168669, 281115, 293609, 318597, 323595, 506007, 530995, 843345, 880827, 955791, 1468045, 1592985, 2530035, 2642481, 2867373, 4404135, 4778955, 4991353, 7927443, 8602119, 13212405, 14336865, 14974059, 23782329, 24956765, 39637215, 43010595, 44922177, 74870295, 118911645, 134766531, 224610885, 404299593, 673832655, 2021497965]

約数ペア:

[(1, 2021497965), (3, 673832655), (5, 404299593), (9, 224610885), (15, 134766531), (17, 118911645), (27, 74870295), (45, 44922177), (47, 43010595), (51, 39637215), (81, 24956765), (85, 23782329), (135, 14974059), (141, 14336865), (153, 13212405), (235, 8602119), (255, 7927443), (405, 4991353), (423, 4778955), (459, 4404135), (705, 2867373), (765, 2642481), (799, 2530035), (1269, 1592985), (1377, 1468045), (2115, 955791), (2295, 880827), (2397, 843345), (3807, 530995), (3995, 506007), (6247, 323595), (6345, 318597), (6885, 293609), (7191, 281115), (11985, 168669), (18741, 107865), (19035, 106199), (21573, 93705), (31235, 64719), (35955, 56223)]