47391561

素因数分解:

$3^6\times 7^1\times {\mathrm{37}}^1\times {\mathrm{251}}^1$

素因数の和:313

約数の個数: 56

約数和(自身を含む): 83732544

約数和(自身を除く): 36340983

約数列:

[1, 3, 7, 9, 21, 27, 37, 63, 81, 111, 189, 243, 251, 259, 333, 567, 729, 753, 777, 999, 1701, 1757, 2259, 2331, 2997, 5103, 5271, 6777, 6993, 8991, 9287, 15813, 20331, 20979, 26973, 27861, 47439, 60993, 62937, 65009, 83583, 142317, 182979, 188811, 195027, 250749, 426951, 585081, 752247, 1280853, 1755243, 2256741, 5265729, 6770223, 15797187, 47391561]

約数ペア:

[(1, 47391561), (3, 15797187), (7, 6770223), (9, 5265729), (21, 2256741), (27, 1755243), (37, 1280853), (63, 752247), (81, 585081), (111, 426951), (189, 250749), (243, 195027), (251, 188811), (259, 182979), (333, 142317), (567, 83583), (729, 65009), (753, 62937), (777, 60993), (999, 47439), (1701, 27861), (1757, 26973), (2259, 20979), (2331, 20331), (2997, 15813), (5103, 9287), (5271, 8991), (6777, 6993)]