87139143

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{106397}}^1$

素因数の和:106423

約数の個数: 24

約数和(自身を含む): 154915488

約数和(自身を除く): 67776345

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 106397, 319191, 744779, 957573, 1383161, 2234337, 4149483, 6703011, 9682127, 12448449, 29046381, 87139143]

約数ペア:

[(1, 87139143), (3, 29046381), (7, 12448449), (9, 9682127), (13, 6703011), (21, 4149483), (39, 2234337), (63, 1383161), (91, 957573), (117, 744779), (273, 319191), (819, 106397)]