2505375

素因数分解:

$3^2\times 5^3\times {\mathrm{17}}^1\times {\mathrm{131}}^1$

素因数の和:169

約数の個数: 48

約数和(自身を含む): 4818528

約数和(自身を除く): 2313153

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 85, 125, 131, 153, 225, 255, 375, 393, 425, 655, 765, 1125, 1179, 1275, 1965, 2125, 2227, 3275, 3825, 5895, 6375, 6681, 9825, 11135, 16375, 19125, 20043, 29475, 33405, 49125, 55675, 100215, 147375, 167025, 278375, 501075, 835125, 2505375]

約数ペア:

[(1, 2505375), (3, 835125), (5, 501075), (9, 278375), (15, 167025), (17, 147375), (25, 100215), (45, 55675), (51, 49125), (75, 33405), (85, 29475), (125, 20043), (131, 19125), (153, 16375), (225, 11135), (255, 9825), (375, 6681), (393, 6375), (425, 5895), (655, 3825), (765, 3275), (1125, 2227), (1179, 2125), (1275, 1965)]