1721385486

素因数分解:

$2^1\times 3^3\times {\mathrm{71}}^1\times {\mathrm{257}}^1\times {\mathrm{1747}}^1$

素因数の和:2086

約数の個数: 64

約数和(自身を含む): 3896501760

約数和(自身を除く): 2175116274

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 71, 142, 213, 257, 426, 514, 639, 771, 1278, 1542, 1747, 1917, 2313, 3494, 3834, 4626, 5241, 6939, 10482, 13878, 15723, 18247, 31446, 36494, 47169, 54741, 94338, 109482, 124037, 164223, 248074, 328446, 372111, 448979, 492669, 744222, 897958, 985338, 1116333, 1346937, 2232666, 2693874, 3348999, 4040811, 6697998, 8081622, 12122433, 24244866, 31877509, 63755018, 95632527, 191265054, 286897581, 573795162, 860692743, 1721385486]

約数ペア:

[(1, 1721385486), (2, 860692743), (3, 573795162), (6, 286897581), (9, 191265054), (18, 95632527), (27, 63755018), (54, 31877509), (71, 24244866), (142, 12122433), (213, 8081622), (257, 6697998), (426, 4040811), (514, 3348999), (639, 2693874), (771, 2232666), (1278, 1346937), (1542, 1116333), (1747, 985338), (1917, 897958), (2313, 744222), (3494, 492669), (3834, 448979), (4626, 372111), (5241, 328446), (6939, 248074), (10482, 164223), (13878, 124037), (15723, 109482), (18247, 94338), (31446, 54741), (36494, 47169)]