17920125

素因数分解:

$3^2\times 5^3\times {\mathrm{17}}^1\times {\mathrm{937}}^1$

素因数の和:975

約数の個数: 48

約数和(自身を含む): 34240752

約数和(自身を除く): 16320627

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 85, 125, 153, 225, 255, 375, 425, 765, 937, 1125, 1275, 2125, 2811, 3825, 4685, 6375, 8433, 14055, 15929, 19125, 23425, 42165, 47787, 70275, 79645, 117125, 143361, 210825, 238935, 351375, 398225, 716805, 1054125, 1194675, 1991125, 3584025, 5973375, 17920125]

約数ペア:

[(1, 17920125), (3, 5973375), (5, 3584025), (9, 1991125), (15, 1194675), (17, 1054125), (25, 716805), (45, 398225), (51, 351375), (75, 238935), (85, 210825), (125, 143361), (153, 117125), (225, 79645), (255, 70275), (375, 47787), (425, 42165), (765, 23425), (937, 19125), (1125, 15929), (1275, 14055), (2125, 8433), (2811, 6375), (3825, 4685)]