57780405

素因数分解:

$3^3\times 5^1\times {\mathrm{428003}}^1$

素因数の和:428017

約数の個数: 16

約数和(自身を含む): 102720960

約数和(自身を除く): 44940555

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 428003, 1284009, 2140015, 3852027, 6420045, 11556081, 19260135, 57780405]

約数ペア:

[(1, 57780405), (3, 19260135), (5, 11556081), (9, 6420045), (15, 3852027), (27, 2140015), (45, 1284009), (135, 428003)]