16121511

素因数分解:

$3^4\times 7^1\times {\mathrm{28433}}^1$

素因数の和:28452

約数の個数: 20

約数和(自身を含む): 27524112

約数和(自身を除く): 11402601

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 28433, 85299, 199031, 255897, 597093, 767691, 1791279, 2303073, 5373837, 16121511]

約数ペア:

[(1, 16121511), (3, 5373837), (7, 2303073), (9, 1791279), (21, 767691), (27, 597093), (63, 255897), (81, 199031), (189, 85299), (567, 28433)]