30428541

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:144

約数の個数: 80

約数和(自身を含む): 55617408

約数和(自身を除く): 25188867

約数列:

[1, 3, 9, 11, 13, 27, 33, 37, 39, 71, 81, 99, 111, 117, 143, 213, 297, 333, 351, 407, 429, 481, 639, 781, 891, 923, 999, 1053, 1221, 1287, 1443, 1917, 2343, 2627, 2769, 2997, 3663, 3861, 4329, 5291, 5751, 7029, 7881, 8307, 10153, 10989, 11583, 12987, 15873, 21087, 23643, 24921, 28897, 30459, 32967, 34151, 38961, 47619, 63261, 70929, 74763, 86691, 91377, 102453, 142857, 212787, 260073, 274131, 307359, 375661, 428571, 780219, 822393, 922077, 1126983, 2340657, 2766231, 3380949, 10142847, 30428541]

約数ペア:

[(1, 30428541), (3, 10142847), (9, 3380949), (11, 2766231), (13, 2340657), (27, 1126983), (33, 922077), (37, 822393), (39, 780219), (71, 428571), (81, 375661), (99, 307359), (111, 274131), (117, 260073), (143, 212787), (213, 142857), (297, 102453), (333, 91377), (351, 86691), (407, 74763), (429, 70929), (481, 63261), (639, 47619), (781, 38961), (891, 34151), (923, 32967), (999, 30459), (1053, 28897), (1221, 24921), (1287, 23643), (1443, 21087), (1917, 15873), (2343, 12987), (2627, 11583), (2769, 10989), (2997, 10153), (3663, 8307), (3861, 7881), (4329, 7029), (5291, 5751)]