9999975

素因数分解:

$3^1\times 5^2\times {\mathrm{151}}^1\times {\mathrm{883}}^1$

素因数の和:1047

約数の個数: 24

約数和(自身を含む): 16661632

約数和(自身を除く): 6661657

約数列:

[1, 3, 5, 15, 25, 75, 151, 453, 755, 883, 2265, 2649, 3775, 4415, 11325, 13245, 22075, 66225, 133333, 399999, 666665, 1999995, 3333325, 9999975]

約数ペア:

[(1, 9999975), (3, 3333325), (5, 1999995), (15, 666665), (25, 399999), (75, 133333), (151, 66225), (453, 22075), (755, 13245), (883, 11325), (2265, 4415), (2649, 3775)]