12142125

素因数分解:

$3^2\times 5^3\times {\mathrm{43}}^1\times {\mathrm{251}}^1$

素因数の和:315

約数の個数: 48

約数和(自身を含む): 22486464

約数和(自身を除く): 10344339

約数列:

[1, 3, 5, 9, 15, 25, 43, 45, 75, 125, 129, 215, 225, 251, 375, 387, 645, 753, 1075, 1125, 1255, 1935, 2259, 3225, 3765, 5375, 6275, 9675, 10793, 11295, 16125, 18825, 31375, 32379, 48375, 53965, 56475, 94125, 97137, 161895, 269825, 282375, 485685, 809475, 1349125, 2428425, 4047375, 12142125]

約数ペア:

[(1, 12142125), (3, 4047375), (5, 2428425), (9, 1349125), (15, 809475), (25, 485685), (43, 282375), (45, 269825), (75, 161895), (125, 97137), (129, 94125), (215, 56475), (225, 53965), (251, 48375), (375, 32379), (387, 31375), (645, 18825), (753, 16125), (1075, 11295), (1125, 10793), (1255, 9675), (1935, 6275), (2259, 5375), (3225, 3765)]