179655489

素因数分解:

$3^7\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:194

約数の個数: 64

約数和(自身を含む): 297561600

約数和(自身を除く): 117906111

約数列:

[1, 3, 9, 13, 27, 39, 71, 81, 89, 117, 213, 243, 267, 351, 639, 729, 801, 923, 1053, 1157, 1917, 2187, 2403, 2769, 3159, 3471, 5751, 6319, 7209, 8307, 9477, 10413, 17253, 18957, 21627, 24921, 28431, 31239, 51759, 56871, 64881, 74763, 82147, 93717, 155277, 170613, 194643, 224289, 246441, 281151, 511839, 672867, 739323, 843453, 1535517, 2018601, 2217969, 2530359, 4606551, 6653907, 13819653, 19961721, 59885163, 179655489]

約数ペア:

[(1, 179655489), (3, 59885163), (9, 19961721), (13, 13819653), (27, 6653907), (39, 4606551), (71, 2530359), (81, 2217969), (89, 2018601), (117, 1535517), (213, 843453), (243, 739323), (267, 672867), (351, 511839), (639, 281151), (729, 246441), (801, 224289), (923, 194643), (1053, 170613), (1157, 155277), (1917, 93717), (2187, 82147), (2403, 74763), (2769, 64881), (3159, 56871), (3471, 51759), (5751, 31239), (6319, 28431), (7209, 24921), (8307, 21627), (9477, 18957), (10413, 17253)]