39247719

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{179}}^1\times {\mathrm{197}}^1$

素因数の和:439

約数の個数: 32

約数和(自身を含む): 61585920

約数和(自身を除く): 22338201

約数列:

[1, 3, 7, 21, 53, 159, 179, 197, 371, 537, 591, 1113, 1253, 1379, 3759, 4137, 9487, 10441, 28461, 31323, 35263, 66409, 73087, 105789, 199227, 219261, 246841, 740523, 1868939, 5606817, 13082573, 39247719]

約数ペア:

[(1, 39247719), (3, 13082573), (7, 5606817), (21, 1868939), (53, 740523), (159, 246841), (179, 219261), (197, 199227), (371, 105789), (537, 73087), (591, 66409), (1113, 35263), (1253, 31323), (1379, 28461), (3759, 10441), (4137, 9487)]