27987498

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1$

素因数の和:209

約数の個数: 128

約数和(自身を含む): 79626240

約数和(自身を除く): 51638742

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 27, 33, 42, 53, 54, 63, 66, 77, 99, 106, 126, 127, 154, 159, 189, 198, 231, 254, 297, 318, 371, 378, 381, 462, 477, 583, 594, 693, 742, 762, 889, 954, 1113, 1143, 1166, 1386, 1397, 1431, 1749, 1778, 2079, 2226, 2286, 2667, 2794, 2862, 3339, 3429, 3498, 4081, 4158, 4191, 5247, 5334, 6678, 6731, 6858, 8001, 8162, 8382, 9779, 10017, 10494, 12243, 12573, 13462, 15741, 16002, 19558, 20034, 20193, 24003, 24486, 25146, 29337, 31482, 36729, 37719, 40386, 47117, 48006, 58674, 60579, 73458, 74041, 75438, 88011, 94234, 110187, 121158, 141351, 148082, 176022, 181737, 220374, 222123, 264033, 282702, 363474, 424053, 444246, 518287, 528066, 666369, 848106, 1036574, 1272159, 1332738, 1554861, 1999107, 2544318, 3109722, 3998214, 4664583, 9329166, 13993749, 27987498]

約数ペア:

[(1, 27987498), (2, 13993749), (3, 9329166), (6, 4664583), (7, 3998214), (9, 3109722), (11, 2544318), (14, 1999107), (18, 1554861), (21, 1332738), (22, 1272159), (27, 1036574), (33, 848106), (42, 666369), (53, 528066), (54, 518287), (63, 444246), (66, 424053), (77, 363474), (99, 282702), (106, 264033), (126, 222123), (127, 220374), (154, 181737), (159, 176022), (189, 148082), (198, 141351), (231, 121158), (254, 110187), (297, 94234), (318, 88011), (371, 75438), (378, 74041), (381, 73458), (462, 60579), (477, 58674), (583, 48006), (594, 47117), (693, 40386), (742, 37719), (762, 36729), (889, 31482), (954, 29337), (1113, 25146), (1143, 24486), (1166, 24003), (1386, 20193), (1397, 20034), (1431, 19558), (1749, 16002), (1778, 15741), (2079, 13462), (2226, 12573), (2286, 12243), (2667, 10494), (2794, 10017), (2862, 9779), (3339, 8382), (3429, 8162), (3498, 8001), (4081, 6858), (4158, 6731), (4191, 6678), (5247, 5334)]