81108027

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{3001}}^1$

素因数の和:3041

約数の個数: 64

約数和(自身を含む): 161387520

約数和(自身を除く): 80279493

約数列:

[1, 3, 7, 9, 11, 13, 21, 27, 33, 39, 63, 77, 91, 99, 117, 143, 189, 231, 273, 297, 351, 429, 693, 819, 1001, 1287, 2079, 2457, 3001, 3003, 3861, 9003, 9009, 21007, 27009, 27027, 33011, 39013, 63021, 81027, 99033, 117039, 189063, 231077, 273091, 297099, 351117, 429143, 567189, 693231, 819273, 891297, 1053351, 1287429, 2079693, 2457819, 3004001, 3862287, 6239079, 7373457, 9012003, 11586861, 27036009, 81108027]

約数ペア:

[(1, 81108027), (3, 27036009), (7, 11586861), (9, 9012003), (11, 7373457), (13, 6239079), (21, 3862287), (27, 3004001), (33, 2457819), (39, 2079693), (63, 1287429), (77, 1053351), (91, 891297), (99, 819273), (117, 693231), (143, 567189), (189, 429143), (231, 351117), (273, 297099), (297, 273091), (351, 231077), (429, 189063), (693, 117039), (819, 99033), (1001, 81027), (1287, 63021), (2079, 39013), (2457, 33011), (3001, 27027), (3003, 27009), (3861, 21007), (9003, 9009)]