138950217

素因数分解:

$3^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{26573}}^1$

素因数の和:26669

約数の個数: 24

約数和(自身を含む): 232150464

約数和(自身を除く): 93200247

約数列:

[1, 3, 7, 9, 21, 63, 83, 249, 581, 747, 1743, 5229, 26573, 79719, 186011, 239157, 558033, 1674099, 2205559, 6616677, 15438913, 19850031, 46316739, 138950217]

約数ペア:

[(1, 138950217), (3, 46316739), (7, 19850031), (9, 15438913), (21, 6616677), (63, 2205559), (83, 1674099), (249, 558033), (581, 239157), (747, 186011), (1743, 79719), (5229, 26573)]