51138405

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{19937}}^1$

素因数の和:19970

約数の個数: 32

約数和(自身を含む): 95702400

約数和(自身を除く): 44563995

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 95, 135, 171, 285, 513, 855, 2565, 19937, 59811, 99685, 179433, 299055, 378803, 538299, 897165, 1136409, 1894015, 2691495, 3409227, 5682045, 10227681, 17046135, 51138405]

約数ペア:

[(1, 51138405), (3, 17046135), (5, 10227681), (9, 5682045), (15, 3409227), (19, 2691495), (27, 1894015), (45, 1136409), (57, 897165), (95, 538299), (135, 378803), (171, 299055), (285, 179433), (513, 99685), (855, 59811), (2565, 19937)]