1911945

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1$

素因数の和:285

約数の個数: 32

約数和(自身を含む): 3548160

約数和(自身を除く): 1636215

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 131, 139, 393, 417, 655, 695, 917, 973, 1965, 2085, 2751, 2919, 4585, 4865, 13755, 14595, 18209, 54627, 91045, 127463, 273135, 382389, 637315, 1911945]

約数ペア:

[(1, 1911945), (3, 637315), (5, 382389), (7, 273135), (15, 127463), (21, 91045), (35, 54627), (105, 18209), (131, 14595), (139, 13755), (393, 4865), (417, 4585), (655, 2919), (695, 2751), (917, 2085), (973, 1965)]