1905267

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{997}}^1$

素因数の和:1027

約数の個数: 24

約数和(自身を含む): 3185616

約数和(自身を除く): 1280349

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 997, 1911, 2991, 6979, 12961, 20937, 38883, 48853, 90727, 146559, 272181, 635089, 1905267]

約数ペア:

[(1, 1905267), (3, 635089), (7, 272181), (13, 146559), (21, 90727), (39, 48853), (49, 38883), (91, 20937), (147, 12961), (273, 6979), (637, 2991), (997, 1911)]