64872975

素因数分解:

$3^1\times 5^2\times {\mathrm{823}}^1\times {\mathrm{1051}}^1$

素因数の和:1887

約数の個数: 24

約数和(自身を含む): 107489152

約数和(自身を除く): 42616177

約数列:

[1, 3, 5, 15, 25, 75, 823, 1051, 2469, 3153, 4115, 5255, 12345, 15765, 20575, 26275, 61725, 78825, 864973, 2594919, 4324865, 12974595, 21624325, 64872975]

約数ペア:

[(1, 64872975), (3, 21624325), (5, 12974595), (15, 4324865), (25, 2594919), (75, 864973), (823, 78825), (1051, 61725), (2469, 26275), (3153, 20575), (4115, 15765), (5255, 12345)]