158703957

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{307}}^1\times {\mathrm{809}}^1$

素因数の和:1193

約数の個数: 24

約数和(自身を含む): 233513280

約数和(自身を除く): 74809323

約数列:

[1, 3, 9, 71, 213, 307, 639, 809, 921, 2427, 2763, 7281, 21797, 57439, 65391, 172317, 196173, 248363, 516951, 745089, 2235267, 17633773, 52901319, 158703957]

約数ペア:

[(1, 158703957), (3, 52901319), (9, 17633773), (71, 2235267), (213, 745089), (307, 516951), (639, 248363), (809, 196173), (921, 172317), (2427, 65391), (2763, 57439), (7281, 21797)]