28152765

素因数分解:

$3^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1$

素因数の和:113

約数の個数: 96

約数和(自身を含む): 56609280

約数和(自身を除く): 28456515

約数列:

[1, 3, 5, 9, 15, 17, 27, 29, 45, 47, 51, 81, 85, 87, 135, 141, 145, 153, 235, 243, 255, 261, 405, 423, 435, 459, 493, 705, 765, 783, 799, 1215, 1269, 1305, 1363, 1377, 1479, 2115, 2295, 2349, 2397, 2465, 3807, 3915, 3995, 4089, 4131, 4437, 6345, 6815, 6885, 7047, 7191, 7395, 11421, 11745, 11985, 12267, 13311, 19035, 20445, 20655, 21573, 22185, 23171, 35235, 35955, 36801, 39933, 57105, 61335, 64719, 66555, 69513, 107865, 110403, 115855, 119799, 184005, 194157, 199665, 208539, 323595, 331209, 347565, 552015, 598995, 625617, 970785, 1042695, 1656045, 1876851, 3128085, 5630553, 9384255, 28152765]

約数ペア:

[(1, 28152765), (3, 9384255), (5, 5630553), (9, 3128085), (15, 1876851), (17, 1656045), (27, 1042695), (29, 970785), (45, 625617), (47, 598995), (51, 552015), (81, 347565), (85, 331209), (87, 323595), (135, 208539), (141, 199665), (145, 194157), (153, 184005), (235, 119799), (243, 115855), (255, 110403), (261, 107865), (405, 69513), (423, 66555), (435, 64719), (459, 61335), (493, 57105), (705, 39933), (765, 36801), (783, 35955), (799, 35235), (1215, 23171), (1269, 22185), (1305, 21573), (1363, 20655), (1377, 20445), (1479, 19035), (2115, 13311), (2295, 12267), (2349, 11985), (2397, 11745), (2465, 11421), (3807, 7395), (3915, 7191), (3995, 7047), (4089, 6885), (4131, 6815), (4437, 6345)]