12381375

素因数分解:

$3^1\times 5^3\times {\mathrm{137}}^1\times {\mathrm{241}}^1$

素因数の和:396

約数の個数: 32

約数和(自身を含む): 20839104

約数和(自身を除く): 8457729

約数列:

[1, 3, 5, 15, 25, 75, 125, 137, 241, 375, 411, 685, 723, 1205, 2055, 3425, 3615, 6025, 10275, 17125, 18075, 30125, 33017, 51375, 90375, 99051, 165085, 495255, 825425, 2476275, 4127125, 12381375]

約数ペア:

[(1, 12381375), (3, 4127125), (5, 2476275), (15, 825425), (25, 495255), (75, 165085), (125, 99051), (137, 90375), (241, 51375), (375, 33017), (411, 30125), (685, 18075), (723, 17125), (1205, 10275), (2055, 6025), (3425, 3615)]