131857011

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:154

約数の個数: 96

約数和(自身を含む): 240330240

約数和(自身を除く): 108473229

約数列:

[1, 3, 9, 11, 13, 27, 33, 37, 39, 71, 99, 111, 117, 143, 169, 213, 297, 333, 351, 407, 429, 481, 507, 639, 781, 923, 999, 1221, 1287, 1443, 1521, 1859, 1917, 2343, 2627, 2769, 3663, 3861, 4329, 4563, 5291, 5577, 6253, 7029, 7881, 8307, 10153, 10989, 11999, 12987, 15873, 16731, 18759, 21087, 23643, 24921, 28897, 30459, 34151, 35997, 47619, 50193, 56277, 68783, 70929, 86691, 91377, 102453, 107991, 131989, 142857, 168831, 206349, 260073, 274131, 307359, 323973, 375661, 395967, 443963, 619047, 780219, 922077, 1126983, 1187901, 1331889, 1857141, 3380949, 3563703, 3995667, 4883593, 10142847, 11987001, 14650779, 43952337, 131857011]

約数ペア:

[(1, 131857011), (3, 43952337), (9, 14650779), (11, 11987001), (13, 10142847), (27, 4883593), (33, 3995667), (37, 3563703), (39, 3380949), (71, 1857141), (99, 1331889), (111, 1187901), (117, 1126983), (143, 922077), (169, 780219), (213, 619047), (297, 443963), (333, 395967), (351, 375661), (407, 323973), (429, 307359), (481, 274131), (507, 260073), (639, 206349), (781, 168831), (923, 142857), (999, 131989), (1221, 107991), (1287, 102453), (1443, 91377), (1521, 86691), (1859, 70929), (1917, 68783), (2343, 56277), (2627, 50193), (2769, 47619), (3663, 35997), (3861, 34151), (4329, 30459), (4563, 28897), (5291, 24921), (5577, 23643), (6253, 21087), (7029, 18759), (7881, 16731), (8307, 15873), (10153, 12987), (10989, 11999)]