81070975

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{277}}^1\times {\mathrm{509}}^1$

素因数の和:819

約数の個数: 24

約数和(自身を含む): 105484320

約数和(自身を除く): 24413345

約数列:

[1, 5, 23, 25, 115, 277, 509, 575, 1385, 2545, 6371, 6925, 11707, 12725, 31855, 58535, 140993, 159275, 292675, 704965, 3242839, 3524825, 16214195, 81070975]

約数ペア:

[(1, 81070975), (5, 16214195), (23, 3524825), (25, 3242839), (115, 704965), (277, 292675), (509, 159275), (575, 140993), (1385, 58535), (2545, 31855), (6371, 12725), (6925, 11707)]