28187955

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{36847}}^1$

素因数の和:36875

約数の個数: 24

約数和(自身を含む): 51734592

約数和(自身を除く): 23546637

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 36847, 110541, 184235, 331623, 552705, 626399, 1658115, 1879197, 3131995, 5637591, 9395985, 28187955]

約数ペア:

[(1, 28187955), (3, 9395985), (5, 5637591), (9, 3131995), (15, 1879197), (17, 1658115), (45, 626399), (51, 552705), (85, 331623), (153, 184235), (255, 110541), (765, 36847)]