30981375

素因数分解:

$3^2\times 5^3\times {\mathrm{27539}}^1$

素因数の和:27560

約数の個数: 24

約数和(自身を含む): 55851120

約数和(自身を除く): 24869745

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 125, 225, 375, 1125, 27539, 82617, 137695, 247851, 413085, 688475, 1239255, 2065425, 3442375, 6196275, 10327125, 30981375]

約数ペア:

[(1, 30981375), (3, 10327125), (5, 6196275), (9, 3442375), (15, 2065425), (25, 1239255), (45, 688475), (75, 413085), (125, 247851), (225, 137695), (375, 82617), (1125, 27539)]