28509765

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{4861}}^1$

素因数の和:4909

約数の個数: 32

約数和(自身を含む): 50409216

約数和(自身を除く): 21899451

約数列:

[1, 3, 5, 15, 17, 23, 51, 69, 85, 115, 255, 345, 391, 1173, 1955, 4861, 5865, 14583, 24305, 72915, 82637, 111803, 247911, 335409, 413185, 559015, 1239555, 1677045, 1900651, 5701953, 9503255, 28509765]

約数ペア:

[(1, 28509765), (3, 9503255), (5, 5701953), (15, 1900651), (17, 1677045), (23, 1239555), (51, 559015), (69, 413185), (85, 335409), (115, 247911), (255, 111803), (345, 82637), (391, 72915), (1173, 24305), (1955, 14583), (4861, 5865)]