15381225

素因数分解:

$3^3\times 5^2\times {\mathrm{22787}}^1$

素因数の和:22806

約数の個数: 24

約数和(自身を含む): 28257120

約数和(自身を除く): 12875895

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 225, 675, 22787, 68361, 113935, 205083, 341805, 569675, 615249, 1025415, 1709025, 3076245, 5127075, 15381225]

約数ペア:

[(1, 15381225), (3, 5127075), (5, 3076245), (9, 1709025), (15, 1025415), (25, 615249), (27, 569675), (45, 341805), (75, 205083), (135, 113935), (225, 68361), (675, 22787)]