28913175

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{7559}}^1$

素因数の和:7592

約数の個数: 36

約数和(自身を含む): 54840240

約数和(自身を除く): 25927065

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 85, 153, 225, 255, 425, 765, 1275, 3825, 7559, 22677, 37795, 68031, 113385, 128503, 188975, 340155, 385509, 566925, 642515, 1156527, 1700775, 1927545, 3212575, 5782635, 9637725, 28913175]

約数ペア:

[(1, 28913175), (3, 9637725), (5, 5782635), (9, 3212575), (15, 1927545), (17, 1700775), (25, 1156527), (45, 642515), (51, 566925), (75, 385509), (85, 340155), (153, 188975), (225, 128503), (255, 113385), (425, 68031), (765, 37795), (1275, 22677), (3825, 7559)]