16944921

素因数分解:

$3^2\times 7^1\times {\mathrm{277}}^1\times {\mathrm{971}}^1$

素因数の和:1261

約数の個数: 24

約数和(自身を含む): 28102464

約数和(自身を除く): 11157543

約数列:

[1, 3, 7, 9, 21, 63, 277, 831, 971, 1939, 2493, 2913, 5817, 6797, 8739, 17451, 20391, 61173, 268967, 806901, 1882769, 2420703, 5648307, 16944921]

約数ペア:

[(1, 16944921), (3, 5648307), (7, 2420703), (9, 1882769), (21, 806901), (63, 268967), (277, 61173), (831, 20391), (971, 17451), (1939, 8739), (2493, 6797), (2913, 5817)]