16781391

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{56503}}^1$

素因数の和:56523

約数の個数: 16

約数和(自身を含む): 27121920

約数和(自身を除く): 10340529

約数列:

[1, 3, 9, 11, 27, 33, 99, 297, 56503, 169509, 508527, 621533, 1525581, 1864599, 5593797, 16781391]

約数ペア:

[(1, 16781391), (3, 5593797), (9, 1864599), (11, 1525581), (27, 621533), (33, 508527), (99, 169509), (297, 56503)]