81389385

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{283}}^1$

素因数の和:395

約数の個数: 96

約数和(自身を含む): 178633728

約数和(自身を除く): 97244343

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 33, 35, 45, 55, 63, 77, 83, 99, 105, 165, 231, 249, 283, 315, 385, 415, 495, 581, 693, 747, 849, 913, 1155, 1245, 1415, 1743, 1981, 2547, 2739, 2905, 3113, 3465, 3735, 4245, 4565, 5229, 5943, 6391, 8217, 8715, 9339, 9905, 12735, 13695, 15565, 17829, 19173, 21791, 23489, 26145, 28017, 29715, 31955, 41085, 46695, 57519, 65373, 70467, 89145, 95865, 108955, 117445, 140085, 164423, 196119, 211401, 258379, 287595, 326865, 352335, 493269, 775137, 822115, 980595, 1057005, 1291895, 1479807, 1808653, 2325411, 2466345, 3875685, 5425959, 7399035, 9043265, 11627055, 16277877, 27129795, 81389385]

約数ペア:

[(1, 81389385), (3, 27129795), (5, 16277877), (7, 11627055), (9, 9043265), (11, 7399035), (15, 5425959), (21, 3875685), (33, 2466345), (35, 2325411), (45, 1808653), (55, 1479807), (63, 1291895), (77, 1057005), (83, 980595), (99, 822115), (105, 775137), (165, 493269), (231, 352335), (249, 326865), (283, 287595), (315, 258379), (385, 211401), (415, 196119), (495, 164423), (581, 140085), (693, 117445), (747, 108955), (849, 95865), (913, 89145), (1155, 70467), (1245, 65373), (1415, 57519), (1743, 46695), (1981, 41085), (2547, 31955), (2739, 29715), (2905, 28017), (3113, 26145), (3465, 23489), (3735, 21791), (4245, 19173), (4565, 17829), (5229, 15565), (5943, 13695), (6391, 12735), (8217, 9905), (8715, 9339)]