15797187

素因数分解:

$3^5\times 7^1\times {\mathrm{37}}^1\times {\mathrm{251}}^1$

素因数の和:310

約数の個数: 48

約数和(自身を含む): 27885312

約数和(自身を除く): 12088125

約数列:

[1, 3, 7, 9, 21, 27, 37, 63, 81, 111, 189, 243, 251, 259, 333, 567, 753, 777, 999, 1701, 1757, 2259, 2331, 2997, 5271, 6777, 6993, 8991, 9287, 15813, 20331, 20979, 27861, 47439, 60993, 62937, 65009, 83583, 142317, 195027, 250749, 426951, 585081, 752247, 1755243, 2256741, 5265729, 15797187]

約数ペア:

[(1, 15797187), (3, 5265729), (7, 2256741), (9, 1755243), (21, 752247), (27, 585081), (37, 426951), (63, 250749), (81, 195027), (111, 142317), (189, 83583), (243, 65009), (251, 62937), (259, 60993), (333, 47439), (567, 27861), (753, 20979), (777, 20331), (999, 15813), (1701, 9287), (1757, 8991), (2259, 6993), (2331, 6777), (2997, 5271)]