131917929

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^2$

素因数の和:230

約数の個数: 48

約数和(自身を含む): 213028032

約数和(自身を除く): 81110103

約数列:

[1, 3, 11, 13, 33, 39, 61, 71, 143, 183, 213, 429, 671, 781, 793, 923, 2013, 2343, 2379, 2769, 4331, 5041, 8723, 10153, 12993, 15123, 26169, 30459, 47641, 55451, 56303, 65533, 142923, 166353, 168909, 196599, 307501, 619333, 720863, 922503, 1857999, 2162589, 3382511, 3997513, 10147533, 11992539, 43972643, 131917929]

約数ペア:

[(1, 131917929), (3, 43972643), (11, 11992539), (13, 10147533), (33, 3997513), (39, 3382511), (61, 2162589), (71, 1857999), (143, 922503), (183, 720863), (213, 619333), (429, 307501), (671, 196599), (781, 168909), (793, 166353), (923, 142923), (2013, 65533), (2343, 56303), (2379, 55451), (2769, 47641), (4331, 30459), (5041, 26169), (8723, 15123), (10153, 12993)]