12921567381

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{433}}^1\times {\mathrm{2659}}^1$

素因数の和:3170

約数の個数: 48

約数和(自身を含む): 19810190400

約数和(自身を除く): 6888623019

約数列:

[1, 3, 9, 29, 43, 87, 129, 261, 387, 433, 1247, 1299, 2659, 3741, 3897, 7977, 11223, 12557, 18619, 23931, 37671, 55857, 77111, 113013, 114337, 167571, 231333, 343011, 539951, 693999, 1029033, 1151347, 1619853, 3315773, 3454041, 4859559, 9947319, 10362123, 29841957, 33389063, 49507921, 100167189, 148523763, 300501567, 445571289, 1435729709, 4307189127, 12921567381]

約数ペア:

[(1, 12921567381), (3, 4307189127), (9, 1435729709), (29, 445571289), (43, 300501567), (87, 148523763), (129, 100167189), (261, 49507921), (387, 33389063), (433, 29841957), (1247, 10362123), (1299, 9947319), (2659, 4859559), (3741, 3454041), (3897, 3315773), (7977, 1619853), (11223, 1151347), (12557, 1029033), (18619, 693999), (23931, 539951), (37671, 343011), (55857, 231333), (77111, 167571), (113013, 114337)]