12818421

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{349}}^1$

素因数の和:426

約数の個数: 48

約数和(自身を含む): 23587200

約数和(自身を除く): 10768779

約数列:

[1, 3, 7, 9, 11, 21, 33, 53, 63, 77, 99, 159, 231, 349, 371, 477, 583, 693, 1047, 1113, 1749, 2443, 3141, 3339, 3839, 4081, 5247, 7329, 11517, 12243, 18497, 21987, 26873, 34551, 36729, 55491, 80619, 129479, 166473, 203467, 241857, 388437, 610401, 1165311, 1424269, 1831203, 4272807, 12818421]

約数ペア:

[(1, 12818421), (3, 4272807), (7, 1831203), (9, 1424269), (11, 1165311), (21, 610401), (33, 388437), (53, 241857), (63, 203467), (77, 166473), (99, 129479), (159, 80619), (231, 55491), (349, 36729), (371, 34551), (477, 26873), (583, 21987), (693, 18497), (1047, 12243), (1113, 11517), (1749, 7329), (2443, 5247), (3141, 4081), (3339, 3839)]