78508431

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{3917}}^1$

素因数の和:4071

約数の個数: 24

約数和(自身を含む): 121019184

約数和(自身を除く): 42510753

約数列:

[1, 3, 9, 17, 51, 131, 153, 393, 1179, 2227, 3917, 6681, 11751, 20043, 35253, 66589, 199767, 513127, 599301, 1539381, 4618143, 8723159, 26169477, 78508431]

約数ペア:

[(1, 78508431), (3, 26169477), (9, 8723159), (17, 4618143), (51, 1539381), (131, 599301), (153, 513127), (393, 199767), (1179, 66589), (2227, 35253), (3917, 20043), (6681, 11751)]