15420069

素因数分解:

$3^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{1559}}^1$

素因数の和:1729

約数の個数: 24

約数和(自身を含む): 25633920

約数和(自身を除く): 10213851

約数列:

[1, 3, 7, 9, 21, 63, 157, 471, 1099, 1413, 1559, 3297, 4677, 9891, 10913, 14031, 32739, 98217, 244763, 734289, 1713341, 2202867, 5140023, 15420069]

約数ペア:

[(1, 15420069), (3, 5140023), (7, 2202867), (9, 1713341), (21, 734289), (63, 244763), (157, 98217), (471, 32739), (1099, 14031), (1413, 10913), (1559, 9891), (3297, 4677)]