28554075

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1$

素因数の和:249

約数の個数: 72

約数和(自身を含む): 56871360

約数和(自身を除く): 28317285

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 75, 83, 99, 139, 165, 225, 249, 275, 415, 417, 495, 695, 747, 825, 913, 1245, 1251, 1529, 2075, 2085, 2475, 2739, 3475, 3735, 4565, 4587, 6225, 6255, 7645, 8217, 10425, 11537, 13695, 13761, 18675, 22825, 22935, 31275, 34611, 38225, 41085, 57685, 68475, 68805, 103833, 114675, 126907, 173055, 205425, 288425, 344025, 380721, 519165, 634535, 865275, 1142163, 1903605, 2595825, 3172675, 5710815, 9518025, 28554075]

約数ペア:

[(1, 28554075), (3, 9518025), (5, 5710815), (9, 3172675), (11, 2595825), (15, 1903605), (25, 1142163), (33, 865275), (45, 634535), (55, 519165), (75, 380721), (83, 344025), (99, 288425), (139, 205425), (165, 173055), (225, 126907), (249, 114675), (275, 103833), (415, 68805), (417, 68475), (495, 57685), (695, 41085), (747, 38225), (825, 34611), (913, 31275), (1245, 22935), (1251, 22825), (1529, 18675), (2075, 13761), (2085, 13695), (2475, 11537), (2739, 10425), (3475, 8217), (3735, 7645), (4565, 6255), (4587, 6225)]