128972655

素因数分解:

$3^4\times 5^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{97}}^1$

素因数の和:195

約数の個数: 120

約数和(自身を含む): 275769648

約数和(自身を除く): 146796993

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 49, 63, 67, 81, 97, 105, 135, 147, 189, 201, 245, 291, 315, 335, 405, 441, 469, 485, 567, 603, 679, 735, 873, 945, 1005, 1323, 1407, 1455, 1809, 2037, 2205, 2345, 2619, 2835, 3015, 3283, 3395, 3969, 4221, 4365, 4753, 5427, 6111, 6499, 6615, 7035, 7857, 9045, 9849, 10185, 12663, 13095, 14259, 16415, 18333, 19497, 19845, 21105, 23765, 27135, 29547, 30555, 32495, 37989, 39285, 42777, 45493, 49245, 54999, 58491, 63315, 71295, 88641, 91665, 97485, 128331, 136479, 147735, 175473, 189945, 213885, 227465, 265923, 274995, 292455, 318451, 384993, 409437, 443205, 526419, 641655, 682395, 877365, 955353, 1228311, 1329615, 1592255, 1924965, 2047185, 2632095, 2866059, 3684933, 4776765, 6141555, 8598177, 14330295, 18424665, 25794531, 42990885, 128972655]

約数ペア:

[(1, 128972655), (3, 42990885), (5, 25794531), (7, 18424665), (9, 14330295), (15, 8598177), (21, 6141555), (27, 4776765), (35, 3684933), (45, 2866059), (49, 2632095), (63, 2047185), (67, 1924965), (81, 1592255), (97, 1329615), (105, 1228311), (135, 955353), (147, 877365), (189, 682395), (201, 641655), (245, 526419), (291, 443205), (315, 409437), (335, 384993), (405, 318451), (441, 292455), (469, 274995), (485, 265923), (567, 227465), (603, 213885), (679, 189945), (735, 175473), (873, 147735), (945, 136479), (1005, 128331), (1323, 97485), (1407, 91665), (1455, 88641), (1809, 71295), (2037, 63315), (2205, 58491), (2345, 54999), (2619, 49245), (2835, 45493), (3015, 42777), (3283, 39285), (3395, 37989), (3969, 32495), (4221, 30555), (4365, 29547), (4753, 27135), (5427, 23765), (6111, 21105), (6499, 19845), (6615, 19497), (7035, 18333), (7857, 16415), (9045, 14259), (9849, 13095), (10185, 12663)]