13620831

素因数分解:

$3^1\times 7^1\times {\mathrm{491}}^1\times {\mathrm{1321}}^1$

素因数の和:1822

約数の個数: 16

約数和(自身を含む): 20813568

約数和(自身を除く): 7192737

約数列:

[1, 3, 7, 21, 491, 1321, 1473, 3437, 3963, 9247, 10311, 27741, 648611, 1945833, 4540277, 13620831]

約数ペア:

[(1, 13620831), (3, 4540277), (7, 1945833), (21, 648611), (491, 27741), (1321, 10311), (1473, 9247), (3437, 3963)]