28145721

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{9949}}^1$

素因数の和:10016

約数の個数: 16

約数和(自身を含む): 40118400

約数和(自身を除く): 11972679

約数列:

[1, 3, 23, 41, 69, 123, 943, 2829, 9949, 29847, 228827, 407909, 686481, 1223727, 9381907, 28145721]

約数ペア:

[(1, 28145721), (3, 9381907), (23, 1223727), (41, 686481), (69, 407909), (123, 228827), (943, 29847), (2829, 9949)]