2541375

素因数分解:

$3^4\times 5^3\times {\mathrm{251}}^1$

素因数の和:278

約数の個数: 40

約数和(自身を含む): 4756752

約数和(自身を除く): 2215377

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 125, 135, 225, 251, 375, 405, 675, 753, 1125, 1255, 2025, 2259, 3375, 3765, 6275, 6777, 10125, 11295, 18825, 20331, 31375, 33885, 56475, 94125, 101655, 169425, 282375, 508275, 847125, 2541375]

約数ペア:

[(1, 2541375), (3, 847125), (5, 508275), (9, 282375), (15, 169425), (25, 101655), (27, 94125), (45, 56475), (75, 33885), (81, 31375), (125, 20331), (135, 18825), (225, 11295), (251, 10125), (375, 6777), (405, 6275), (675, 3765), (753, 3375), (1125, 2259), (1255, 2025)]