72477951

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1$

素因数の和:288

約数の個数: 64

約数和(自身を含む): 127411200

約数和(自身を除く): 54933249

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 89, 91, 133, 157, 247, 267, 273, 399, 471, 623, 741, 1099, 1157, 1691, 1729, 1869, 2041, 2983, 3297, 3471, 5073, 5187, 6123, 8099, 8949, 11837, 13973, 14287, 20881, 21983, 24297, 35511, 38779, 41919, 42861, 62643, 65949, 97811, 116337, 153881, 181649, 265487, 271453, 293433, 461643, 544947, 796461, 814359, 1271543, 1858409, 3451331, 3814629, 5575227, 10353993, 24159317, 72477951]

約数ペア:

[(1, 72477951), (3, 24159317), (7, 10353993), (13, 5575227), (19, 3814629), (21, 3451331), (39, 1858409), (57, 1271543), (89, 814359), (91, 796461), (133, 544947), (157, 461643), (247, 293433), (267, 271453), (273, 265487), (399, 181649), (471, 153881), (623, 116337), (741, 97811), (1099, 65949), (1157, 62643), (1691, 42861), (1729, 41919), (1869, 38779), (2041, 35511), (2983, 24297), (3297, 21983), (3471, 20881), (5073, 14287), (5187, 13973), (6123, 11837), (8099, 8949)]