15370719

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:168

約数の個数: 48

約数和(自身を含む): 26141184

約数和(自身を除く): 10770465

約数列:

[1, 3, 7, 13, 21, 39, 61, 71, 91, 169, 183, 213, 273, 427, 497, 507, 793, 923, 1183, 1281, 1491, 2379, 2769, 3549, 4331, 5551, 6461, 10309, 11999, 12993, 16653, 19383, 30317, 30927, 35997, 56303, 72163, 83993, 90951, 168909, 216489, 251979, 394121, 731939, 1182363, 2195817, 5123573, 15370719]

約数ペア:

[(1, 15370719), (3, 5123573), (7, 2195817), (13, 1182363), (21, 731939), (39, 394121), (61, 251979), (71, 216489), (91, 168909), (169, 90951), (183, 83993), (213, 72163), (273, 56303), (427, 35997), (497, 30927), (507, 30317), (793, 19383), (923, 16653), (1183, 12993), (1281, 11999), (1491, 10309), (2379, 6461), (2769, 5551), (3549, 4331)]