15240775

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{353}}^1$

素因数の和:531

約数の個数: 24

約数和(自身を含む): 20806704

約数和(自身を除く): 5565929

約数列:

[1, 5, 11, 25, 55, 157, 275, 353, 785, 1727, 1765, 3883, 3925, 8635, 8825, 19415, 43175, 55421, 97075, 277105, 609631, 1385525, 3048155, 15240775]

約数ペア:

[(1, 15240775), (5, 3048155), (11, 1385525), (25, 609631), (55, 277105), (157, 97075), (275, 55421), (353, 43175), (785, 19415), (1727, 8825), (1765, 8635), (3883, 3925)]