2191725

素因数分解:

$3^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{191}}^1$

素因数の和:227

約数の個数: 48

約数和(自身を含む): 4285440

約数和(自身を除く): 2093715

約数列:

[1, 3, 5, 9, 15, 17, 25, 27, 45, 51, 75, 85, 135, 153, 191, 225, 255, 425, 459, 573, 675, 765, 955, 1275, 1719, 2295, 2865, 3247, 3825, 4775, 5157, 8595, 9741, 11475, 14325, 16235, 25785, 29223, 42975, 48705, 81175, 87669, 128925, 146115, 243525, 438345, 730575, 2191725]

約数ペア:

[(1, 2191725), (3, 730575), (5, 438345), (9, 243525), (15, 146115), (17, 128925), (25, 87669), (27, 81175), (45, 48705), (51, 42975), (75, 29223), (85, 25785), (135, 16235), (153, 14325), (191, 11475), (225, 9741), (255, 8595), (425, 5157), (459, 4775), (573, 3825), (675, 3247), (765, 2865), (955, 2295), (1275, 1719)]