31901649

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{281}}^1$

素因数の和:409

約数の個数: 32

約数和(自身を含む): 47755008

約数和(自身を除く): 15853359

約数列:

[1, 3, 13, 39, 41, 71, 123, 213, 281, 533, 843, 923, 1599, 2769, 2911, 3653, 8733, 10959, 11521, 19951, 34563, 37843, 59853, 113529, 149773, 259363, 449319, 778089, 817991, 2453973, 10633883, 31901649]

約数ペア:

[(1, 31901649), (3, 10633883), (13, 2453973), (39, 817991), (41, 778089), (71, 449319), (123, 259363), (213, 149773), (281, 113529), (533, 59853), (843, 37843), (923, 34563), (1599, 19951), (2769, 11521), (2911, 10959), (3653, 8733)]