81505675

素因数分解:

$5^2\times {\mathrm{23}}^2\times {\mathrm{6163}}^1$

素因数の和:6219

約数の個数: 18

約数和(自身を含む): 105669452

約数和(自身を除く): 24163777

約数列:

[1, 5, 23, 25, 115, 529, 575, 2645, 6163, 13225, 30815, 141749, 154075, 708745, 3260227, 3543725, 16301135, 81505675]

約数ペア:

[(1, 81505675), (5, 16301135), (23, 3543725), (25, 3260227), (115, 708745), (529, 154075), (575, 141749), (2645, 30815), (6163, 13225)]