81376125

素因数分解:

$3^1\times 5^3\times {\mathrm{217003}}^1$

素因数の和:217021

約数の個数: 16

約数和(自身を含む): 135410496

約数和(自身を除く): 54034371

約数列:

[1, 3, 5, 15, 25, 75, 125, 375, 217003, 651009, 1085015, 3255045, 5425075, 16275225, 27125375, 81376125]

約数ペア:

[(1, 81376125), (3, 27125375), (5, 16275225), (15, 5425075), (25, 3255045), (75, 1085015), (125, 651009), (375, 217003)]