2057100405

素因数分解:

$3^1\times 5^1\times {\mathrm{641}}^1\times {\mathrm{213947}}^1$

素因数の和:214596

約数の個数: 16

約数和(自身を含む): 3296510784

約数和(自身を除く): 1239410379

約数列:

[1, 3, 5, 15, 641, 1923, 3205, 9615, 213947, 641841, 1069735, 3209205, 137140027, 411420081, 685700135, 2057100405]

約数ペア:

[(1, 2057100405), (3, 685700135), (5, 411420081), (15, 137140027), (641, 3209205), (1923, 1069735), (3205, 641841), (9615, 213947)]