253651689

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{307}}^1\times {\mathrm{431}}^1$

素因数の和:818

約数の個数: 32

約数和(自身を含む): 383201280

約数和(自身を除く): 129549591

約数列:

[1, 3, 9, 27, 71, 213, 307, 431, 639, 921, 1293, 1917, 2763, 3879, 8289, 11637, 21797, 30601, 65391, 91803, 132317, 196173, 275409, 396951, 588519, 826227, 1190853, 3572559, 9394507, 28183521, 84550563, 253651689]

約数ペア:

[(1, 253651689), (3, 84550563), (9, 28183521), (27, 9394507), (71, 3572559), (213, 1190853), (307, 826227), (431, 588519), (639, 396951), (921, 275409), (1293, 196173), (1917, 132317), (2763, 91803), (3879, 65391), (8289, 30601), (11637, 21797)]