12812925

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1$

素因数の和:222

約数の個数: 48

約数和(自身を含む): 22587840

約数和(自身を除く): 9774915

約数列:

[1, 3, 5, 15, 25, 29, 43, 75, 87, 129, 137, 145, 215, 411, 435, 645, 685, 725, 1075, 1247, 2055, 2175, 3225, 3425, 3741, 3973, 5891, 6235, 10275, 11919, 17673, 18705, 19865, 29455, 31175, 59595, 88365, 93525, 99325, 147275, 170839, 297975, 441825, 512517, 854195, 2562585, 4270975, 12812925]

約数ペア:

[(1, 12812925), (3, 4270975), (5, 2562585), (15, 854195), (25, 512517), (29, 441825), (43, 297975), (75, 170839), (87, 147275), (129, 99325), (137, 93525), (145, 88365), (215, 59595), (411, 31175), (435, 29455), (645, 19865), (685, 18705), (725, 17673), (1075, 11919), (1247, 10275), (2055, 6235), (2175, 5891), (3225, 3973), (3425, 3741)]